Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

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

NA

62°F

17°C

Humidity 45%
Wind Speed WNW 12 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Jun 09:50 PM PDT
Extended Forecast for

4 Miles S Clayton CA

  • Tonight

    Tonight: Clear, with a steady temperature around 59. West wind around 14 mph.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 66. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. West southwest wind 11 to 16 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. West southwest wind 9 to 14 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South southwest wind 11 to 14 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Clear, with a steady temperature around 59. West wind around 14 mph.
Friday
Sunny, with a high near 66. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 53. West southwest wind 11 to 16 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 69. West southwest wind 9 to 14 mph.
Saturday Night
Mostly clear, with a low around 53. South southwest wind 11 to 14 mph.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 65.
Monday Night
Clear, with a low around 54.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 56.
Juneteenth
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
1:30 pm PDT Jun 12, 2025
10pm PDT Jun 12, 2025-6pm PDT Jun 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database