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

2 Miles SSE Clayton CA

This Afternoon
High: 68 °F
Partly Sunny
Tonight
Low: 55 °F
Chance Rain
Tuesday
High: 64 °F
Rain
Tuesday Night
Low: 56 °F
Rain then
Chance Rain
Wednesday
High: 66 °F
Slight Chance
Rain then
Partly Sunny
Wednesday Night
Low: 50 °F
Partly Cloudy
Thursday
High: 67 °F
Mostly Sunny
Thursday Night
Low: 51 °F
Mostly Cloudy
Friday
High: 69 °F
Partly Sunny

Detailed Forecast

This Afternoon

Partly sunny, with a high near 68. East wind around 6 mph becoming south southeast.

Tonight

A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 55. South southwest wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain, mainly after 10am. High near 64. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain, mainly before 10pm. Low around 56. South southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

A 20 percent chance of rain before 10am. Partly sunny, with a high near 66. West northwest wind around 6 mph.

Wednesday Night

Partly cloudy, with a low around 50.

Thursday

Mostly sunny, with a high near 67.

Thursday Night

Mostly cloudy, with a low around 51.

Friday

Partly sunny, with a high near 69.

Friday Night

Mostly cloudy, with a low around 52.