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.

32°F

0°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	18 Feb 07:40 PM PST

More Information:

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

Extended Forecast for

3 Miles S Clayton CA

Tonight
Low: 37 °F
Chance Rain
then Rain and
Breezy
Thursday
High: 43 °F
Breezy.
Rain/Snow
Likely then
Chance
Rain/Snow
Thursday Night
Low: 33 °F
Slight Chance
Rain/Snow
then Mostly
Clear
Friday
High: 46 °F
Areas Frost
then Partly
Sunny
Friday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 52 °F
Partly Sunny
then Chance
Rain
Saturday Night
Low: 46 °F
Rain Likely
Sunday
High: 56 °F
Rain and
Breezy
Sunday Night
Low: 52 °F
Rain

Detailed Forecast

Tonight

Rain, mainly after midnight. Low around 37. Breezy, with a southwest wind 13 to 22 mph becoming southeast after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain and snow likely before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and snow after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 43. Breezy, with a west northwest wind 23 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

A slight chance of rain and snow before 10pm. Mostly clear, with a low around 33. West wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Friday

Areas of frost before 9am. Otherwise, partly sunny, with a high near 46. Calm wind becoming east around 6 mph in the morning.

Friday Night

Partly cloudy, with a low around 37. East southeast wind 6 to 9 mph.

Saturday

A 30 percent chance of rain after 4pm. Partly sunny, with a high near 52.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

Sunday

Rain. Mostly cloudy, with a high near 56. Breezy.

Sunday Night

Rain. Mostly cloudy, with a low around 52.