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
65°F
18°C
| Humidity | 12% |
| Wind Speed | NNE 3 MPH |
| Barometer | NA |
| Dewpoint | 12°F (-11°C) |
| Visibility | NA |
| Last update | 17 Jan 01:20 PM PST |
Extended Forecast for
3 Miles S Clayton CA
This Afternoon
High: 60 °F
Mostly Sunny
Tonight
Low: 50 °F
Mostly Cloudy
Sunday
High: 61 °F
Mostly Sunny
Sunday Night
Low: 48 °F
Mostly Clear
M.L.King Day
High: 58 °F
Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 43 °F
Partly Cloudy
Wednesday
High: 58 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 60. East southeast wind around 9 mph.
Tonight
Mostly cloudy, with a low around 50. East southeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 61. East northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 48. Northeast wind around 5 mph.
M.L.King Day
Sunny, with a high near 58. North wind around 8 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 55.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Clayton CA
37.9°N 121.92°W (Elev. 1900 ft)
37.9°N 121.92°W (Elev. 1900 ft)
12:26 pm PST Jan 17, 2026
1pm PST Jan 17, 2026-6pm PST Jan 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
