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

Heat Wave Across the Central and Southeast US; Flash Flood Threats in the North-Central US, Southeast, and Guam

Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Heavy rains, flash flooding & severe weather are possible across the middle Missouri River Valley and Upper Midwest to the upper Great Lakes. Heavy rains and flash flooding are also possible across portions of the Southeast. A tropical disturbance brings heavy rain to Guam & the Marianas through Saturday. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

59°F

15°C

Humidity 65%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 23 Jul 09:35 AM PDT
Extended Forecast for

5 Miles NE Danville CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Friday Night

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

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 54. Southwest wind around 8 mph, with gusts as high as 18 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 55. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 77. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Danville CA
 37.87°N 121.95°W (Elev. 1509 ft)
Last Update:
1:26 am PDT Jul 23, 2025
Forecast Valid:
9am PDT Jul 23, 2025-6pm PDT Jul 29, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation