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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

67°F

19°C

Humidity 63%
Wind Speed WNW 20 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Mar 02:56 PM PDT
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. West northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 74. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 72.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
Rain likely. Mostly cloudy, with a high near 67.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Wednesday
Rain likely. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.54°N 122.32°W (Elev. 194 ft)
Last Update:
2:41 pm PDT Mar 25, 2026
Forecast Valid:
3pm PDT Mar 25, 2026-6pm PDT Apr 1, 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