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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

FW3625 San Ramon (F3625)

Lat: 37.738°NLon: 121.945°WElev: 415.09ft.

NA

64°F

18°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 28 Aug 11:10 PM PDT
Extended Forecast for

San Ramon CA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. West southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South southwest wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 5 to 7 mph, with gusts as high as 18 mph.

    High: 78 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Calm wind.
Saturday
Sunny, with a high near 77. West southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 54. South southwest wind 5 to 9 mph, with gusts as high as 22 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 5 to 7 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 54. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Patchy fog. Otherwise, sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Ramon CA
 37.78°N 121.95°W (Elev. 722 ft)
Last Update:
11:16 pm PDT Aug 28, 2026
Forecast Valid:
11pm PDT Aug 28, 2026-6pm PDT Sep 4, 2026
 
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