Foster City, California Weather
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Weather Forecast for Foster City, California : San Mateo County
Issued: 2:47 pm PDT Jun 30, 2025 Latitude: 37.5585465 Longitude: -122.2710788 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Independence Day Saturday Sunday Monday
Cloudy on Overnight Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Independence Day Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
Low: 54°F High: 76°F High: 75°F High: 72°F High: 70°F High: 73°F High: 73°F High: 72°F
Low: 55°F Low: 55°F Low: 54°F Low: 54°F Low: 54°F Low: 54°F  
Cloudy Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
SAN CARLOS - (KSQL)
59°
Clear
as of 12:15 AM PDST
Rel. Humidity: 82%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
SAN FRANCISCO - (KSFO)
55°
Mostly Clear
as of 11:56 PM PDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
9 MPH
300° Northwest
Cloud Level(s): Few at 400ft
Current Conditions at
OAKLAND - (KOAK)
55°
Mostly Cloudy
as of 11:53 PM PDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: IFR
Wind Data
5 MPH
340° North
Cloud Level(s): Few at 200ft, Scattered at 600ft, Broken at 800ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 54. West wind around 6 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 76. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 55. West southwest wind 6 to 9 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, then gradually becoming sunny, with a high near 75. West wind 5 to 10 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 55. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 72.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 54.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 70.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 54.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 73.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 54.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 73.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 54.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 72.
Sun Almanac for Foster City, California
Sunrise: 05:52 AM
Sunset: 8:34 PM
Civil Sunrise:05:21 AM
Civil Sunset: 9:05 PM
Nautical Sunrise: 04:42 AM
Nautical Sunset: 9:44 PM
Astro Sunrise: 03:59 AM
Astro Sunset: 10:28 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.