Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
81°F
27°C
| Humidity | 22% |
| Wind Speed | WSW 3 MPH |
| Barometer | NA |
| Dewpoint | 39°F (4°C) |
| Visibility | NA |
| Heat Index | 79°F (26°C) |
| Last update | 13 Jul 04:35 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 66 °F
Clear
Monday
High: 80 °F
Sunny
Monday Night
Low: 64 °F
Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 71 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 66. West southwest wind around 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 80. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 64. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 74. West southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 62. West southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 76.
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)
2:42 pm PDT Jul 13, 2025
4pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
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