
Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West
Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
N/A
| Humidity | 28% |
| Wind Speed | NW 9 MPH |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | 17 May 05:05 PM PDT |
Extended Forecast for
4 Miles SSE Clayton CA
Juneteenth

High: 65 °F
Sunny
Tonight

Low: 57 °F
Partly Cloudy
Saturday

High: 64 °F
Becoming
SunnySaturday Night

Low: 53 °F
Mostly Clear
Sunday

High: 69 °F
Sunny
Sunday Night

Low: 56 °F
Mostly Clear
Monday

High: 71 °F
Sunny
Monday Night

Low: 58 °F
Mostly Clear
Tuesday

High: 74 °F
Sunny
Detailed Forecast
Juneteenth
Sunny, with a high near 65. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 57. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 64. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 53. Southwest wind around 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 69. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles SSE Clayton CA
37.87°N 121.92°W (Elev. 2818 ft)
37.87°N 121.92°W (Elev. 2818 ft)
11:26 am PDT Jun 19, 2026
11am PDT Jun 19, 2026-6pm PDT Jun 25, 2026


