Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

57°F

14°C

Humidity 82%
Wind Speed W 8 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 03 Aug 05:30 AM PDT
Extended Forecast for

San Mateo CA

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Tuesday

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

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

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

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon.
Tonight
Clear, with a low around 58. West southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. West wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.58°N 122.33°W (Elev. 33 ft)
2:41 am PDT Aug 3, 2026
5am PDT Aug 3, 2026-6pm PDT Aug 9, 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