National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

haze

70°F

21°C

Humidity 46%
Wind Speed WNW 14 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 28 Mar 04:35 PM PDT
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. West northwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 53. West northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 51. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 68.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 69.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 65.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 72.
Friday Night
Clear, with a low around 49.
Saturday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
Last Update:
2:26 pm PDT Mar 28, 2026
Forecast Valid:
4pm PDT Mar 28, 2026-6pm PDT Apr 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation