Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

61°F

16°C

Humidity 77%
Wind Speed WNW 14 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Mar 03:15 PM PST
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: A 20 percent chance of rain after 3am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 51. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 65 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. West southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of rain before 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 71.
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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 Mar 1, 2026
3pm PST Mar 1, 2026-6pm PDT Mar 8, 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