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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

51°F

11°C

Humidity 92%
Wind Speed WNW 12 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 21 May 10:56 PM PDT
Extended Forecast for

Belmont CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light southwest wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. South southwest wind 3 to 8 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Light southwest wind.
Friday
Sunny, with a high near 75. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 52. South southwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 74. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 51.
Memorial Day
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belmont CA
 37.52°N 122.29°W (Elev. 207 ft)
Last Update:
1:26 pm PDT May 21, 2026
Forecast Valid:
11pm PDT May 21, 2026-6pm PDT May 28, 2026
 
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Additional Resources

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Chance of Precipitation