Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

31°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	18 Feb 08:05 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: 43 °F
Chance Rain
then Rain
Thursday
High: 50 °F
Breezy. Rain
Likely then
Chance Rain
Thursday Night
Low: 36 °F
Slight Chance
Rain then
Patchy Frost
Friday
High: 51 °F
Areas Frost
then Partly
Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 56 °F
Partly Sunny
then Chance
Rain
Saturday Night
Low: 48 °F
Rain Likely
Sunday
High: 61 °F
Rain
Sunday Night
Low: 54 °F
Rain

Detailed Forecast

Tonight

Rain, mainly after midnight. Steady temperature around 43. Southeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain likely before 2pm, then a slight chance of rain after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A 20 percent chance of rain before 10pm. Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 8 to 11 mph, with gusts as high as 26 mph.

Friday

Areas of frost between 7am and 8am. Otherwise, partly sunny, with a high near 51. Calm wind becoming east around 5 mph in the morning.

Friday Night

Partly cloudy, with a low around 38. East southeast wind around 7 mph.

Saturday

A 30 percent chance of rain after 4pm. Partly sunny, with a high near 56.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

Sunday

Rain. Mostly cloudy, with a high near 61.

Sunday Night

Rain. Mostly cloudy, with a low around 54.