Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains
A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
63°F
17°C
| Humidity | 16% |
| Wind Speed | N 11 MPH |
| Barometer | NA |
| Dewpoint | 17°F (-8°C) |
| Visibility | NA |
| Last update | 14 Jan 07:55 PM PST |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 50 °F
Mostly Clear
Thursday
High: 62 °F
Sunny
Thursday Night
Low: 49 °F
Clear
Friday
High: 56 °F
Sunny
Friday Night
Low: 42 °F
Mostly Clear
Saturday
High: 56 °F
Sunny
Saturday Night
Low: 42 °F
Partly Cloudy
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 50. East wind 7 to 9 mph.
Thursday
Sunny, with a high near 62. East wind 7 to 9 mph.
Thursday Night
Clear, with a low around 49. Northeast wind around 7 mph.
Friday
Sunny, with a high near 56. Northeast wind around 8 mph.
Friday Night
Mostly clear, with a low around 42. Northeast wind around 6 mph.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 42.
M.L.King Day
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 53.
Additional Forecasts and Information
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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)
1:24 pm PST Jan 14, 2026
8pm PST Jan 14, 2026-6pm PST Jan 21, 2026
Additional Resources
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