Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
27°C
80°F
| Humidity | 25% |
| Wind Speed | SW 4 MPH |
| Barometer | NA |
| Dewpoint | 5°C (41°F) |
| Visibility | NA |
| Heat Index | 26°C (79°F) |
| Last update | 12 Jul 05:05 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 13 °C
Mostly Clear
Sunday
High: 32 °C
Sunny
Sunday Night
Low: 13 °C
Mostly Clear
Monday
High: 33 °C
Sunny
Monday Night
Low: 12 °C
Mostly Clear
Tuesday
High: 29 °C
Sunny
Tuesday Night
Low: 13 °C
Mostly Clear
Wednesday
High: 27 °C
Sunny
Wednesday Night
Low: 13 °C
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 13. South southwest wind 10 to 13 km/h, with gusts as high as 29 km/h.
Sunday
Sunny, with a high near 32. West southwest wind 11 to 14 km/h, with gusts as high as 32 km/h.
Sunday Night
Mostly clear, with a low around 13. West southwest wind around 11 km/h.
Monday
Sunny, with a high near 33. West wind 11 to 14 km/h, with gusts as high as 29 km/h.
Monday Night
Mostly clear, with a low around 12. West southwest wind 11 to 14 km/h, with gusts as high as 32 km/h.
Tuesday
Sunny, with a high near 29.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Mostly clear, with a low around 13.
Thursday
Sunny, with a high near 27.
Thursday Night
Mostly clear, with a low around 12.
Friday
Sunny, with a high near 29.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 30.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Clayton CA
37.87°N 121.95°W (Elev. 1509 m)
37.87°N 121.95°W (Elev. 1509 m)
3:36 pm PDT Jul 12, 2025
5pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
