Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

68°F

20°C

Humidity 64%
Wind Speed WNW 21 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 03:20 PM PDT
Extended Forecast for

Belmont CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. West wind 5 to 10 mph becoming light  after midnight.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Light and variable wind becoming west 6 to 11 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. West wind 5 to 9 mph becoming light west southwest  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. West wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. West wind 5 to 10 mph becoming light after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Light and variable wind becoming west 6 to 11 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58. West wind 5 to 9 mph becoming light west southwest in the evening.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. West wind 5 to 13 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Belmont CA
 37.52°N 122.29°W (Elev. 207 ft)
1:26 pm PDT Aug 17, 2026
3pm PDT Aug 17, 2026-6pm PDT Aug 24, 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