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

In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Meanwhile, Pacific storm will move inland across California with lower elevation rain and accumulating mountain snow; Strong winds will affect the central Great Basin. A clipper system to bring snow and gusty winds for the Northeast corridor into Wednesday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

40°F

4°C

Humidity	97%
Wind Speed	SSE 8 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	10 Feb 03:35 PM PST

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

This Afternoon
High: 48 °F
Rain
Tonight
Low: 48 °F
Rain
Wednesday
High: 49 °F
Rain
Wednesday Night
Low: 44 °F
Rain Likely
then Slight
Chance Rain
Thursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Mostly Clear
Friday
High: 58 °F
Mostly Sunny
Friday Night
Low: 47 °F
Mostly Cloudy
Saturday
High: 55 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

This Afternoon

Rain. Steady temperature around 48. South southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly before 4am. Steady temperature around 48. Southeast wind 13 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain, with thunderstorms also possible after 1pm. High near 49. South southeast wind 15 to 18 mph, with gusts as high as 34 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 44. East southeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Mostly sunny, with a high near 56. North northeast wind around 8 mph.

Thursday Night

Mostly clear, with a low around 46.

Friday

Mostly sunny, with a high near 58.

Friday Night

Mostly cloudy, with a low around 47.

Saturday

A slight chance of rain after 4pm. Mostly cloudy, with a high near 55.

Saturday Night

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