Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
28°C
82°F
| Humidity | 28% |
| Wind Speed | NNE 2 MPH |
| Barometer | NA |
| Dewpoint | 8°C (46°F) |
| Visibility | NA |
| Heat Index | 27°C (80°F) |
| Last update | 13 Jul 02:35 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
This Afternoon
High: 26 °C
Sunny
Tonight
Low: 19 °C
Clear
Monday
High: 27 °C
Sunny
Monday Night
Low: 18 °C
Clear
Tuesday
High: 23 °C
Sunny
Tuesday Night
Low: 17 °C
Mostly Clear
Wednesday
High: 21 °C
Sunny
Wednesday Night
Low: 17 °C
Mostly Clear
Thursday
High: 22 °C
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 26. West southwest wind around 16 km/h.
Tonight
Clear, with a low around 19. West southwest wind 14 to 16 km/h, with gusts as high as 29 km/h.
Monday
Sunny, with a high near 27. West southwest wind 11 to 16 km/h, with gusts as high as 34 km/h.
Monday Night
Clear, with a low around 18. Southwest wind around 16 km/h, with gusts as high as 34 km/h.
Tuesday
Sunny, with a high near 23. West southwest wind 16 to 18 km/h, with gusts as high as 35 km/h.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 21.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
Sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 22.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny, with a high near 23.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Clayton CA
37.87°N 121.92°W (Elev. 2818 m)
37.87°N 121.92°W (Elev. 2818 m)
2:42 pm PDT Jul 13, 2025
2pm PDT Jul 13, 2025-6pm PDT Jul 19, 2025
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