Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

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

More Information:

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

Extended Forecast for

4 Miles S Clayton CA

Overnight
Low: 43 °F
Partly Cloudy
Sunday
High: 55 °F
Mostly Sunny
Sunday Night
Low: 45 °F
Partly Cloudy
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 53 °F
Chance Rain
Tuesday
High: 56 °F
Rain
Tuesday Night
Low: 54 °F
Rain
Wednesday
High: 59 °F
Chance Rain
Wednesday Night
Low: 52 °F
Slight Chance
Rain then
Mostly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 43. South wind around 14 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny, with a high near 55. South wind 6 to 11 mph, with gusts as high as 21 mph.

Sunday Night

Partly cloudy, with a low around 45. Southeast wind around 6 mph.

Monday

Mostly sunny, with a high near 59. East northeast wind around 6 mph.

Monday Night

A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 53. South wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain, mainly before 4am. Low around 54. Chance of precipitation is 80%.

Wednesday

A chance of rain, mainly before 10am. Mostly cloudy, with a high near 59.

Wednesday Night

A slight chance of rain before 10pm. Mostly cloudy, with a low around 52.

Thursday

Partly sunny, with a high near 61.

Thursday Night

Mostly cloudy, with a low around 52.