
Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.
A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
38°F
3°C
| Humidity | 88% |
| Wind Speed | N 6 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Wind Chill | 33°F (1°C) |
| Last update | 27 Dec 08:50 AM PST |
3 Miles NNE San Ramon CA
Today

High: 52 °F
Mostly Sunny
Tonight

Low: 36 °F
Mostly Clear
then Areas
FrostSunday

High: 52 °F
Patchy Frost
then SunnySunday Night

Low: 35 °F
Mostly Clear
then Patchy
FrostMonday

High: 53 °F
Areas Frost
then SunnyMonday Night

Low: 34 °F
Clear then
Areas FrostTuesday

High: 55 °F
Areas Frost
then SunnyTuesday Night

Low: 36 °F
Mostly Clear
Wednesday
High: 54 °F
Patchy Frost
then Slight
Chance Rain
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
37.8°N 121.93°W (Elev. 640 ft)


