Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West
Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >
Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
74°F
23°C
| Humidity | 21% |
| Wind Speed | WNW 9 MPH |
| Barometer | NA |
| Dewpoint | 33°F (1°C) |
| Visibility | NA |
| Last update | 30 Jun 07:05 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 64 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 60 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Independence Day
High: 65 °F
Sunny
Friday Night
Low: 56 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 64. West southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 78. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 63. West southwest wind around 11 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 76. West southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 60. Southwest wind around 13 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 58.
Independence Day
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 72.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 72.
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)
2:47 pm PDT Jun 30, 2025
7pm PDT Jun 30, 2025-6pm PDT Jul 7, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
