Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

N/A

Humidity	99%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	20 Feb 03:25 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles S Clayton CA

Tonight
Low: 53 °F
Slight Chance
Rain then
Chance Rain
Tuesday
High: 55 °F
Rain
Tuesday Night
Low: 52 °F
Rain then
Chance Rain
Wednesday
High: 59 °F
Partly Sunny
Wednesday Night
Low: 49 °F
Mostly Cloudy
Thursday
High: 62 °F
Mostly Sunny
Thursday Night
Low: 52 °F
Mostly Cloudy
Friday
High: 63 °F
Partly Sunny
Friday Night
Low: 52 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 50 percent chance of rain, mainly after midnight. Cloudy, with a steady temperature around 53. South southwest wind 6 to 10 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain. High near 55. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night

Rain, mainly before 8pm. Low around 52. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Partly sunny, with a high near 59. West wind around 7 mph.

Wednesday Night

Mostly cloudy, with a low around 49. North northwest wind 7 to 9 mph.

Thursday

Mostly sunny, with a high near 62.

Thursday Night

Mostly cloudy, with a low around 52.

Friday

Partly sunny, with a high near 63.

Friday Night

Mostly cloudy, with a low around 52.