Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

72°F

22°C

Humidity 60%
Wind Speed NW 14 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Feb 12:35 PM PST
Extended Forecast for

Foster City CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. West northwest wind 3 to 6 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 54. Light west southwest wind.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 52. West southwest wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

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

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. West northwest wind 3 to 6 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54. Light west southwest wind.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 52. West southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain before 10am. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
12:26 pm PST Feb 28, 2026
12pm PST Feb 28, 2026-6pm PST Mar 6, 2026
 
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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