Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
63°F
17°C
| Humidity | 59% |
| Wind Speed | WNW 5 MPH |
| Barometer | NA |
| Dewpoint | 48°F (9°C) |
| Visibility | NA |
| Last update | 16 May 04:20 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 47 °F
Partly Cloudy
Saturday
High: 56 °F
Decreasing
Clouds and
Breezy then
SunnySaturday Night
Low: 45 °F
Mostly Clear
Sunday
High: 64 °F
Sunny
Sunday Night
Low: 50 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 51 °F
Clear
Tuesday
High: 71 °F
Sunny
Tuesday Night
Low: 51 °F
Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 47. West southwest wind 13 to 21 mph, with gusts as high as 39 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Breezy, with a west wind 20 to 23 mph, with gusts as high as 43 mph.
Saturday Night
Mostly clear, with a low around 45. West southwest wind 11 to 16 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 64. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 50. West northwest wind 14 to 16 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 67.
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)
1:25 pm PDT May 16, 2025
4pm PDT May 16, 2025-6pm PDT May 23, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
