Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. 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	100%
Wind Speed	SSE 21 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	15 Feb 10:50 PM PST

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

Tonight
Low: 46 °F
Rain
Washington's Birthday
High: 47 °F⇓
Rain
Monday Night
Low: 40 °F
Rain/Snow and
Breezy
Tuesday
High: 45 °F
Windy.
Rain/Snow
then Showers
Tuesday Night
Low: 40 °F
Rain/Snow and
Breezy then
Chance Snow
Wednesday
High: 46 °F
Snow
Wednesday Night
Low: 40 °F
Rain/Snow
Thursday
High: 46 °F
Rain/Snow
Likely
Thursday Night
Low: 38 °F
Chance
Rain/Snow
then Slight
Chance Snow

Detailed Forecast

Tonight

Rain. Steady temperature around 46. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Washington's Birthday

Rain. Temperature falling to around 39 by 4pm. East wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Monday Night

Rain before 10pm, then rain, possibly mixed with snow. Low around 40. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday

Rain, possibly mixed with snow showers, becoming all rain after 10am. Some thunder is also possible. High near 45. Windy, with a south southwest wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday Night

Rain and snow before 10pm, then a chance of snow. Low around 40. Breezy, with a west wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Wednesday

Snow, mainly after 10am. High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain, possibly mixed with snow. Low around 40. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday

Rain and snow likely before 7am, then snow likely between 7am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 46.

Thursday Night

A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 38.

Friday

A chance of snow. Partly sunny, with a high near 47.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 40.