Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest
A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
41°F
5°C
| Humidity | 99% |
| Wind Speed | SW 6 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Wind Chill | 37°F (3°C) |
| Last update | 22 Apr 11:45 AM PDT |
Extended Forecast for
2 Miles SSE Clayton CA
Tonight
Low: 48 °F
Mostly Clear
Thursday
High: 69 °F
Sunny
Thursday Night
Low: 50 °F
Partly Cloudy
Friday
High: 66 °F
Partly Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 62 °F
Partly Sunny
Saturday Night
Low: 50 °F
Partly Cloudy
Sunday
High: 64 °F
Mostly Sunny
Sunday Night
Low: 48 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 48. North northwest wind 5 to 8 mph becoming west southwest after midnight.
Thursday
Sunny, with a high near 69. Southwest wind 5 to 10 mph becoming north northwest in the morning.
Thursday Night
Partly cloudy, with a low around 50. Southwest wind 9 to 13 mph.
Friday
Partly sunny, with a high near 66. Southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 51. West southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Clayton CA
37.92°N 121.93°W (Elev. 600 ft)
37.92°N 121.93°W (Elev. 600 ft)
3:17 pm PDT Apr 22, 2026
4pm PDT Apr 22, 2026-6pm PDT Apr 29, 2026
Additional Resources
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