A Wintry Mix in the Northeast; Rain and High Elevation Snow Returns to California

A clipper system tracking across the U.S./Canadian border will bring snowfall and mixed precipitation across the Northeast. A modest atmospheric river associated with a Pacific system will bring lower elevation/coastal rain, high elevation snow/wintry mix, and gusty winds in California into the Intermountain West. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

43°F

6°C

Humidity	52%
Wind Speed	N 21 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	09 Feb 11:05 PM PST

More Information:

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

Extended Forecast for

2 Miles S Clayton CA

Tonight
Low: 47 °F
Mostly Cloudy
Tuesday
High: 59 °F
Slight Chance
Rain then
Showers
Tuesday Night
Low: 49 °F
Showers
Wednesday
High: 56 °F
Showers
Wednesday Night
Low: 48 °F
Rain Likely
then Slight
Chance Rain
Thursday
High: 60 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Mostly Clear
Friday
High: 62 °F
Sunny
Friday Night
Low: 46 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 47. Southeast wind 3 to 5 mph.

Tuesday

Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 49. East southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 56. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48. Southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Mostly sunny, with a high near 60.

Thursday Night

Mostly clear, with a low around 45.

Friday

Sunny, with a high near 62.

Friday Night

Mostly cloudy, with a low around 46.

Saturday

A slight chance of rain after 10am. Mostly cloudy, with a high near 58.

Saturday Night

A chance of rain. Mostly cloudy, with a low around 45.