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

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

FW3625 San Ramon (F3625)

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

NA

77°F

25°C

Humidity 33%
Wind Speed ENE 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 26 Aug 10:40 AM PDT
Extended Forecast for

3 Miles WNW San Ramon CA

  • Today

    Today: Sunny, with a high near 88. West southwest wind 6 to 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind 5 to 9 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 86. West southwest wind 5 to 10 mph.

    High: 86 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. Southwest wind 7 to 10 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 77. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 77 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. West southwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 59. Southwest wind 5 to 9 mph.
Thursday
Increasing clouds, with a high near 86. West southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 60. Southwest wind 7 to 10 mph.
Friday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 77. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW San Ramon CA
 37.77°N 122.01°W (Elev. 814 ft)
Last Update:
2:52 am PDT Aug 26, 2026
Forecast Valid:
10am PDT Aug 26, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation