Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
80°F
27°C
| Humidity | 21% |
| Wind Speed | SW 8 MPH |
| Barometer | NA |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Heat Index | 79°F (26°C) |
| Last update | 12 Jul 06:35 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 66 °F
Clear then
Areas SmokeSunday
High: 80 °F
Sunny
Sunday Night
Low: 66 °F
Clear
Monday
High: 80 °F
Sunny
Monday Night
Low: 63 °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
Detailed Forecast
Tonight
Areas of smoke between 2am and 3am. Clear, with a low around 66. Southwest wind around 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 80. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 66. West southwest wind around 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 80. West wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 63. West southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 62.
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 73.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 75.
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 121.92°W (Elev. 2818 ft)
37.87°N 121.92°W (Elev. 2818 ft)
3:36 pm PDT Jul 12, 2025
6pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
