Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

59°F

15°C

Humidity 86%
Wind Speed WNW 10 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Jul 01:56 AM PDT
Extended Forecast for

Belmont CA

  • Overnight

    Overnight: Mostly clear, with a low around 57. West southwest wind around 7 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. West wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. West wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. West southwest wind around 7 mph.
Wednesday
Sunny, with a high near 76. West wind 6 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 56. West southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 78. West wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 56. West wind 5 to 14 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 84.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Belmont CA
 37.52°N 122.29°W (Elev. 207 ft)
1:26 am PDT Jul 29, 2026
2am PDT Jul 29, 2026-6pm PDT Aug 4, 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