Foster City Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Foster City

Foster City temperature today is 17°, feels like 16°, with a humidity level of 81% and wind at 22.21 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Foster City: expect a high of 29° and a low of 13°, with clear sky.

clear sky
17°
clear sky
H: 19° L: 14°
Feels like 16°
AQI: Moderate (3/5)
Humidity
81%
Dew 13°
Wind speed
22.21 km/h
NW
Pressure
1009 hPa
Visibility
1.8 km
High Winds
Wind speed is 22.21 km/h. Secure loose objects.
Weather Summary
Currently in Foster City, expect varied conditions with mild temperatures around 17°. Winds are moderate winds. High humidity may make it feel uncomfortable.
Precipitation Probability
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
18°
Wed
23:00
15°
 
13°
 
16°
 
24°
Thu
11:00
29°
 
28°
 
18°
 
16°
Thu
23:00
14°
 
14°
 
16°
 
24°
Fri
11:00
20°
 
19°
 
16°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
07:03
Sunset
Sunset
18:54
Moon Phase
Waning Gibbous (77%)
Timezone: GMT+05:30
Last updated: Oct 1, 2026 9:51 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
37.558552
Longitude
Longitude
-122.271080
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More about Foster City
Content curated by the NearWeather editorial team · Updated periodically
Foster City is a small city in San Mateo County, California, in the United States. It is located on the San Francisco Bay, near the cities of Belmont, San Carlos and San Mateo. The climate in Foster City is mild and temperate year round, with temperatures ranging from the mid-50s to mid-70s Fahrenheit. Summers are generally warm and dry, while winters can be somewhat cooler and wetter. The average rainfall is about 20 inches per year, mostly occurring in the winter months.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Foster City
What is the temperature in Foster City right now?

The current temperature in Foster City is 17°, and it feels like 16°. Today's high is 19° and the low is 14°.

Will it rain in Foster City today?

No rain is expected in Foster City today (0% chance). Conditions are currently clear sky.

What is the weather in Foster City today?

Foster City is experiencing clear sky with a temperature of 17°. Humidity is at 81% and wind speed is 22.21 km/h from the NW.

What is the humidity in Foster City today?

Humidity in Foster City is 81% right now, with a dew point of 13°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Foster City today?

Wind speed in Foster City is 22.21 km/h, flowing at 310° NW wind direction.

What is the 5-day forecast for Foster City?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Foster City. Today's high is 19° and low is 14°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Foster City today?

It feels like 16° in Foster City today, with 6% cloud cover and 1.8 km visibility.

Weather in Foster City