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

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through 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 West 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

74°F

23°C

Humidity 33%
Wind Speed W 12 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 15 Jul 03:50 AM PDT
Extended Forecast for

3 Miles SSE Clayton CA

  • Overnight

    Overnight: A slight chance of drizzle.  Mostly clear, with a low around 68. West southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: A slight chance of drizzle before 11am.  Sunny, with a high near 80. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 80 °F

    Slight Chance
    Drizzle then
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of drizzle after 11pm.  Partly cloudy, with a low around 62. Southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 62 °F

    Slight Chance
    Drizzle

  • Wednesday

    Wednesday: Sunny, with a high near 75. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of drizzle. Mostly clear, with a low around 68. West southwest wind around 14 mph, with gusts as high as 22 mph.
Tuesday
A slight chance of drizzle before 11am. Sunny, with a high near 80. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
A slight chance of drizzle after 11pm. Partly cloudy, with a low around 62. Southwest wind around 14 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 75. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 64. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Clayton CA
 37.9°N 121.9°W (Elev. 1814 ft)
3:02 am PDT Jul 15, 2025
4am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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Additional Resources

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