Tracking Winter Weather and Frigid Temperatures Through This Weekend
A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
62°F
17°C
| Humidity | 16% |
| Wind Speed | NNE 4 MPH |
| Barometer | NA |
| Dewpoint | 16°F (-9°C) |
| Visibility | NA |
| Last update | 17 Jan 12:50 AM PST |
Extended Forecast for
4 Miles SSE Clayton CA
Overnight
Low: 53 °F
Mostly Clear
Saturday
High: 60 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Mostly Cloudy
Sunday
High: 59 °F
Decreasing
CloudsSunday Night
Low: 44 °F
Mostly Clear
M.L.King Day
High: 56 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 53. East northeast wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 60. East wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 52. East wind around 7 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 59. East northeast wind around 7 mph.
Sunday Night
Mostly clear, with a low around 44. North northeast wind around 9 mph.
M.L.King Day
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 54.
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)
12:26 am PST Jan 17, 2026
1am PST Jan 17, 2026-6pm PST Jan 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
