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.

Partly Cloudy

56°F

13°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 27 Feb 05:56 AM PST
Extended Forecast for

Foster City CA

  • Today

    Today: Mostly sunny, with a high near 74. Calm wind becoming north around 6 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Light west wind.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

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

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 10am.  Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 74. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 53. Light west wind.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of rain after 10am. Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
1:59 am PST Feb 27, 2026
6am PST Feb 27, 2026-6pm PST Mar 5, 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