
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
28°F
-2°C
| Humidity | 99% |
| Wind Speed | N 0 MPH |
| Barometer | NA |
| Dewpoint | 28°F (-2°C) |
| Visibility | NA |
| Last update | 20 Feb 03:25 AM PST |
Extended Forecast for
4 Miles ENE Danville CA
Today

High: 51 °F
Partly Sunny
Tonight

Low: 34 °F
Patchy Frost
Saturday

High: 58 °F
Mostly Sunny
Saturday Night

Low: 42 °F
Chance Rain
Sunday

High: 66 °F
Chance Rain
Sunday Night

Low: 46 °F
Slight Chance
RainMonday

High: 65 °F
Chance Rain
Monday Night

Low: 52 °F
Rain Likely
Tuesday

High: 61 °F
Rain
Detailed Forecast
Today
Partly sunny, with a high near 51. Calm wind.
Tonight
Patchy frost after 11pm. Otherwise, partly cloudy, with a low around 34. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 58. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 42. South southeast wind around 11 mph, with gusts as high as 24 mph.
Sunday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 66. South wind around 11 mph, with gusts as high as 24 mph.
Sunday Night
A 20 percent chance of rain before 4am. Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 65.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 52.
Tuesday
Rain. Cloudy, with a high near 61.
Tuesday Night
Rain. Cloudy, with a low around 50.
Wednesday
Rain likely. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Mostly cloudy, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles ENE Danville CA
37.85°N 121.94°W (Elev. 1362 ft)
37.85°N 121.94°W (Elev. 1362 ft)
12:32 am PST Feb 20, 2026
11am PST Feb 20, 2026-6pm PST Feb 26, 2026


