Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
55°F
13°C
| Humidity | 41% |
| Wind Speed | N 4 MPH |
| Barometer | NA |
| Dewpoint | 32°F (0°C) |
| Visibility | NA |
| Last update | 15 May 12:20 AM PDT |
Extended Forecast for
4 Miles S Clayton CA
Overnight
Low: 52 °F
Mostly Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 50 °F
Partly Cloudy
Friday
High: 67 °F
Sunny
Friday Night
Low: 48 °F
Partly Cloudy
Saturday
High: 56 °F
Mostly Sunny
and Breezy
then SunnySaturday Night
Low: 46 °F
Mostly Clear
and Breezy
then ClearSunday
High: 62 °F
Sunny
Sunday Night
Low: 50 °F
Clear
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 52. North northwest wind around 7 mph.
Thursday
Sunny, with a high near 66. North wind 6 to 16 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 50. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 67. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 48. West southwest wind 13 to 17 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 56. Breezy.
Saturday Night
Mostly clear, with a low around 46. Breezy.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 74.
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)
12:22 am PDT May 15, 2025
12am PDT May 15, 2025-6pm PDT May 21, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
