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 | 29% |
| Wind Speed | NW 4 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Heat Index | 80°F (27°C) |
| Last update | 10 Jul 04:20 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 69 °F
Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 68 °F
Clear
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 63 °F
Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 69. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 85. West southwest wind 6 to 9 mph becoming north northwest in the morning. Winds could gust as high as 18 mph.
Friday Night
Clear, with a low around 68. Southwest wind around 9 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 80. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 63. West southwest wind around 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 72.
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 ft)
37.87°N 121.92°W (Elev. 2818 ft)
2:07 pm PDT Jul 10, 2025
4pm PDT Jul 10, 2025-6pm PDT Jul 17, 2025
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