Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

A Pacific system will bring low elevation rain and isolated thunderstorms to California tonight. Heavy snow is expected for the Sierra Nevada through late tomorrow. In the Northeast, snow may cause hazardous travel this evening into tomorrow. In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

42°F

6°C

Humidity	99%
Wind Speed	SE 21 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	33°F (1°C)
Last update	11 Feb 12:50 AM PST

More Information:

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

Extended Forecast for

2 Miles S Clayton CA

Overnight
Low: 50 °F
Rain Likely
Wednesday
High: 59 °F
Rain
Wednesday Night
Low: 46 °F
Rain Likely
then Slight
Chance Rain
Thursday
High: 61 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Mostly Clear
Friday
High: 64 °F
Mostly Sunny
Friday Night
Low: 47 °F
Mostly Cloudy
Saturday
High: 60 °F
Mostly Cloudy
then Slight
Chance Rain
Saturday Night
Low: 48 °F
Chance Rain

Detailed Forecast

Overnight

Rain likely, mainly before 4am. Mostly cloudy, with a low around 50. Southeast wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain, with thunderstorms also possible after 1pm. High near 59. South wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. 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 46. Southeast wind 6 to 9 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 61. North wind 5 to 7 mph.

Thursday Night

Mostly clear, with a low around 45. West southwest wind around 7 mph.

Friday

Mostly sunny, with a high near 64.

Friday Night

Mostly cloudy, with a low around 47.

Saturday

A slight chance of rain after 4pm. Mostly cloudy, with a high near 60.

Saturday Night

A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 48.