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

62°F

17°C

Humidity 17%
Wind Speed W 17 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 24 Mar 08:56 PM PDT
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

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

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Partly 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 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 72. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 47. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 74. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 76.
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 52.
Tuesday
A chance of rain. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
Last Update:
8:51 pm PDT Mar 24, 2026
Forecast Valid:
9pm PDT Mar 24, 2026-6pm PDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation