Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

53°F

12°C

Humidity 82%
Wind Speed WNW 13 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Mar 10:56 PM PDT
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West wind 3 to 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52. West northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

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

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. West wind 3 to 6 mph.
Monday
Sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Clear, with a low around 52. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 52. West northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.58°N 122.33°W (Elev. 33 ft)
8:32 pm PDT Mar 22, 2026
11pm PDT Mar 22, 2026-6pm PDT Mar 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database