Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

72°F

22°C

Humidity 60%
Wind Speed NW 18 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 04 Aug 03:50 PM PDT
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West southwest wind 5 to 10 mph becoming light southwest  after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 83. Light southwest wind becoming west southwest 6 to 11 mph in the morning.

    High: 83 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph becoming light  in the evening.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West southwest wind 5 to 10 mph becoming light southwest after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 83. Light southwest wind becoming west southwest 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 58. West southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. West wind 5 to 10 mph becoming light in the evening.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.54°N 122.32°W (Elev. 194 ft)
1:26 pm PDT Aug 4, 2026
4pm PDT Aug 4, 2026-6pm PDT Aug 11, 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