Foster City, California, United States of America: What to pack, what to wear, and when to go [2024]

Empty Lighthouse is a reader-supported site. This article may contain affiliate links to Amazon and other sites. We earn a commission on purchases made through these links.

Ready to pack for Foster City, California, United States of America? If you're planning to go to Foster City, the following is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Foster City, California, United States of America

Based on the climate and weather in Foster City, California, United States of America, the best time to go is August. See below for details.

What to wear/what to pack for Foster City, California, United States of America

Already know when you're traveling?

Here are some general tips on what to wear in Foster City, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Foster City, California, United States of America by month

January

If you visit Foster City during January, you may notice that it is chilly. Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the low 40s F (single digits C). In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines frequently losing bags recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Plug adapter

    A plug adapter that supports outlet types A and B. Take care to pick the right kind. The vast majority of adapters available are simply plugs and require your electronics to change the voltage themselves. If your electronics can't do that they could get destroyed. This one should be sufficient for most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Travel neck pillow

    A great choice is this one

February

If you go to Foster City in February, you will notice that it is cool. Expect it to rain about a third of the time. Daytime temperatures are in the low 60s F (mid 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports always losing luggage nowadays, an AirTag can find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials

  • Travel neck pillow

    What we like is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the correct type. Many adapters currently available are simply plugs and expect your electronics to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one should work in most places.

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

March

March in Foster City is cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines constantly losing luggage these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Travel neck support pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Take care to pick the right type. The majority of adapters currently being sold are simply plugs and expect your devices to change the voltage themselves. If yours can't do that they could get fried. This one should be appropriate for most places.

April

April in Foster City is mild. The average overnight temperatures in the area are in the high 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airlines always losing bags recently, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid surcharges with this

  • Travel neck pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Take care to find the right type. The majority of adapters currently available are simply plugs and expect your electronics to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one should work in most locations.

May

May in Foster City is mild and dry with little rain. The average overnight temperatures in the area are in the low 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airports repeatedly losing bags these days, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid surcharges with this

  • Travel pillow

    A versatile choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to choose the correct kind. Most adapters for sale now are simply plugs and require your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one should be appropriate for most locations.

June

June for Foster City is warm and very dry with almost no rain. Temperatures average in the 70s F (mid 20s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airlines frequently losing luggage nowadays, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Travel adapter

    A plug adapter that supports outlet types A and B. Check that you find the necessary kind. Many adapters for sale now are simply plugs and expect your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one should work in most places.

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid penalties with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

July

July in Foster City is warm and very dry with almost no rain. Temperatures average in the high 70s F (mid 20s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports repeatedly losing things these days, an AirTag can find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Take care to pick the necessary kind. Most adapters currently being sold are just plugs and require your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most locations.

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid penalties with this

August

August in this region is warm and very dry with almost no rain. Temperatures average in the high 70s F (mid 20s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airports constantly losing things nowadays, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Save money with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to find the right kind. The vast majority of adapters on sale are just plug changers and expect your devices to change the voltage themselves. If your devices can't do that they could burn up. This one should be appropriate for most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    A great choice is this one

September

September here is warm and very dry with almost no rain. Temperatures average in the high 70s F (mid 20s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    A versatile choice is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Check that you choose the correct kind. The majority of adapters currently sold are just plugs and require your electronics to convert the voltage themselves. If your devices can't do that they could get destroyed. This one is sufficent for most areas.

  • Power bank for devices

    A portable power bank, like this one

October

If you visit Foster City during October, you might see that it is a perfect temperature and dry with little rain. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines frequently losing luggage recently, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials

  • Travel pillow

    A good option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid penalties with this

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the correct kind. A lot of adapters currently available are simply plug changers and expect your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one should work in most locations.

  • Power bank for devices

    A portable power bank, like this one

November

If you visit Foster City during November, you may find that it is balmy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C). In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Travel neck pillow

    What we like is this one

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid penalties with this

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Check that you find the correct type. The majority of adapters that you can buy are simply plugs and require your electronics to adjust the voltage themselves. If your devices can't do that they could get fried. This one works in most areas.

December

December in this region is cool. Temperatures average in the high 50s F (mid 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Foster City. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports constantly losing things nowadays, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Make sure to choose the correct type. Most adapters for sale now are just plug changers and expect your devices to change the voltage themselves. If your devices can't do that they could get destroyed. This one is sufficent for most locations.

What to do in Foster City, California, United States of America

Foster City, California, is a charming city located on the San Francisco Peninsula. Located between the cities of San Francisco and San Jose, Foster City is an excellent place to visit for its unique blend of urban planning, natural beauty, and cultural richness.

Here are some of the top tourist attractions in Foster City, California:

1. Foster City Lagoon - Foster City Lagoon is a scenic man-made lagoon located in the heart of the city. Visitors can rent kayaks, paddleboards, and even pedal boats to explore the waterways. The lagoon is surrounded by a network of walking paths and parks that provide plenty of opportunities for outdoor recreation.

2. Leo J. Ryan Memorial Park - Leo J. Ryan Memorial Park is one of the city's largest parks, located along the eastern shore of the Foster City Lagoon. The park features sports fields, picnic areas, a dog park, and a large playground, making it an ideal spot for families and groups to enjoy outdoor activities.

3. San Mateo County Japanese Garden - The San Mateo County Japanese Garden is a hidden gem nestled in the shores of the Foster City Lagoon. The garden features a traditional Japanese style of landscaping with stone lanterns, a Koi pond, and a teahouse. Visitors can also take part in cultural events such as tea ceremonies, flower arranging, and traditional Japanese music performances.

4. Seal Point Park - Seal Point Park is a vast open space that comprises several trails, wildlife habitats, and scenic overlooks. The park is an ideal spot for hiking, cycling, and bird watching, with plenty of opportunities to spot migratory birds, ducks, geese, and shorebirds.

5. Brewer Island Elementary School Garden - The Brewer Island Elementary School Garden is a public garden that features a variety of fruit trees, vegetable gardens, and ornamental plants. The garden is an ideal spot for families and children to learn about horticulture and sustainable living. Visitors can also take part in garden tours and community programs organized by the school.

6. Ketch Park - Ketch Park is a small but lovely park located near the Foster City Lagoon. The park features a picnic area, a playground, and a basketball court, making it an excellent spot for families and groups to enjoy some outdoor fun.

7. Edgewater Park - Edgewater Park is a secluded park located on the east side of the Foster City Lagoon. The park features a walking trail, a boat launch, and a picnic area, making it an ideal spot for boating, fishing, and nature watching.

In conclusion, Foster City, California, is a fantastic destination for those who love nature, history, culture, and outdoor activities. The city offers a wide range of attractions that cater to all ages and interests, making it an ideal spot for families, couples, and solo travelers to explore and enjoy.

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

Check out our guides for these other locations: Dolnośląskie, Poland, Sikasso, Mali, Vrbnik, Croatia, Perm Krai, Russia, County Limerick, Ireland, Lake Patzcuaro, Michoac, Mexico, Antigonish, Nova Scotia, Canada, Lower Franconia, Germany, Baengnyeong Island, South Korea, Lincoln National Forest, New Mexico, United States of America, and Mayfield, England, United Kingdom.