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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Clear

61°F

16°C

Humidity 77%
Wind Speed W 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Jul 07:35 AM PDT
Extended Forecast for

San Ramon CA

  • Today

    Today: Sunny, with a high near 82. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. West southwest wind 3 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West southwest wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. West southwest wind 3 to 7 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 57. West southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 85. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 56. West southwest wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 86. West southwest wind 3 to 7 mph.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 91.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Ramon CA
 37.76°N 121.92°W (Elev. 502 ft)
Last Update:
2:06 am PDT Jul 28, 2026
Forecast Valid:
7am PDT Jul 28, 2026-6pm PDT Aug 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation