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

Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region today into tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the interior Northwest with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

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

NA

82°F

28°C

Humidity 23%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index80°F (27°C)
Last update 14 Jul 03:35 PM PDT
Extended Forecast for

2 Miles S Clayton CA

  • Tonight

    Tonight: Clear, with a low around 57. Southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 57. Southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 82. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 56. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 79. West wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 57. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
Last Update:
3:02 pm PDT Jul 14, 2025
Forecast Valid:
3pm PDT Jul 14, 2025-6pm PDT Jul 21, 2025
 
Forecast Discussion
 
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