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.

Clear

61°F

16°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 28 Feb 02:00 AM PST
Extended Forecast for

Foster City CA

  • Overnight

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

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west around 6 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 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 64.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54. Light west wind.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of rain before 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 64.
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
 37.54°N 122.29°W (Elev. 151 ft)
1:21 am PST Feb 28, 2026
2am 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