Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday
A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. 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
Overnight
Low: 55 °F
Clear
Friday
High: 72 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 66 °F
Sunny
Saturday Night
Low: 52 °F
Mostly Clear
Sunday
High: 63 °F
Sunny
Sunday Night
Low: 50 °F
Mostly Clear
Memorial Day
High: 58 °F
Sunny
Monday Night
Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 55. Southwest wind around 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 72. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 66. West southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 52. West southwest wind around 14 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
1:26 am PDT May 22, 2026
3am PDT May 22, 2026-6pm PDT May 28, 2026
Additional Resources
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