
Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West
Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
39°F
4°C
| Humidity | 100% |
| Wind Speed | S 20 MPH |
| Barometer | NA |
| Dewpoint | 39°F (4°C) |
| Visibility | NA |
| Wind Chill | 29°F (-2°C) |
| Last update | 16 Feb 12:10 AM PST |
Extended Forecast for
2 Miles S Clayton CA
Overnight

Low: 48 °F
Rain
Washington's Birthday

High: 52 °F
Rain
Monday Night

Low: 46 °F
Rain
Tuesday

High: 49 °F
Showers and
BreezyTuesday Night
Low: 40 °F
Rain then
Chance RainWednesday

High: 51 °F
Rain Likely
Wednesday Night

Low: 41 °F
Rain
Thursday

High: 52 °F
Rain Likely
Thursday Night

Low: 40 °F
Chance Rain
Detailed Forecast
Overnight
Rain. Low around 48. South southeast wind 8 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Rain. High near 52. East wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain, mainly after 4am. Steady temperature around 46. West southwest wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 49. Breezy, with a southwest wind 22 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 40. West southwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 41. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 52.
Thursday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Partly sunny, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT 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)
8:38 pm PST Feb 15, 2026
12am PST Feb 16, 2026-6pm PST Feb 22, 2026


