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
68°F
20°C
| Humidity | 11% |
| Wind Speed | NW 0 MPH |
| Barometer | NA |
| Dewpoint | 12°F (-11°C) |
| Visibility | NA |
| Last update | 17 Jan 03:10 PM PST |
Extended Forecast for
4 Miles SSE Clayton CA
Tonight
Low: 53 °F
Mostly Cloudy
Sunday
High: 58 °F
Mostly Sunny
Sunday Night
Low: 48 °F
Mostly Clear
M.L.King Day
High: 57 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 43 °F
Partly Cloudy
Wednesday
High: 56 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 53. East wind around 7 mph.
Sunday
Mostly sunny, with a steady temperature around 58. East northeast wind around 7 mph.
Sunday Night
Mostly clear, with a low around 48. North northeast wind around 8 mph.
M.L.King Day
Sunny, with a high near 57. North wind around 11 mph.
Monday Night
Mostly clear, with a low around 42. Northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 43.
Saturday
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 pm PST Jan 17, 2026
3pm PST Jan 17, 2026-6pm PST Jan 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
