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
56°F
13°C
| Humidity | 18% |
| Wind Speed | N 10 MPH |
| Barometer | NA |
| Dewpoint | 14°F (-10°C) |
| Visibility | NA |
| Last update | 16 Jan 03:55 PM PST |
Extended Forecast for
2 Miles S Clayton CA
Tonight
Low: 49 °F
Mostly Clear
Saturday
High: 62 °F
Mostly Sunny
Saturday Night
Low: 46 °F
Mostly Cloudy
Sunday
High: 63 °F
Mostly Sunny
Sunday Night
Low: 45 °F
Mostly Clear
M.L.King Day
High: 61 °F
Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 49. Calm wind becoming east around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 62. East wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 46. East northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 63. Northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 45. Calm wind.
M.L.King Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles S Clayton CA
37.92°N 121.93°W (Elev. 600 ft)
37.92°N 121.93°W (Elev. 600 ft)
12:26 pm PST Jan 16, 2026
4pm PST Jan 16, 2026-6pm PST Jan 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
