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

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

74°F

23°C

Humidity 26%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 28 Aug 11:00 PM PDT
Extended Forecast for

13 Miles WSW Keyes CA

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light northwest wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. North wind 3 to 8 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57. Light northwest wind.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

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

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Light northwest wind.
Saturday
Sunny, with a high near 89. North wind 3 to 8 mph.
Saturday Night
Clear, with a low around 56. Light and variable wind.
Sunday
Sunny, with a high near 87. Light and variable wind.
Sunday Night
Clear, with a low around 57. Light northwest wind.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 57.
Friday
A slight chance of rain. Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Keyes CA
 37.48°N 121.13°W (Elev. 92 ft)
Last Update:
11:31 pm PDT Aug 28, 2026
Forecast Valid:
11pm PDT Aug 28, 2026-6pm PDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation