National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

68°F

20°C

Humidity 16%
Wind Speed W 18 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 24 Mar 06:56 PM PDT
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West northwest wind around 6 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. West wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West northwest wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 72. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 48. West wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 74. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 52. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 52.
Monday
A slight chance of rain. Partly sunny, with a high near 71.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
Last Update:
1:25 pm PDT Mar 24, 2026
Forecast Valid:
7pm PDT Mar 24, 2026-6pm PDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation