Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. 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.

32°F

0°C

Humidity	100%
Wind Speed	S 17 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	21°F (-6°C)
Last update	17 Feb 07:50 AM PST

More Information:

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

Extended Forecast for

2 Miles SSW Clayton CA

Today
High: 47 °F
Showers and
Breezy
Tonight
Low: 36 °F
Rain then
Chance
Rain/Snow
Wednesday
High: 48 °F
Rain Likely
Wednesday Night
Low: 40 °F
Rain
Thursday
High: 46 °F
Rain then
Rain Likely
Thursday Night
Low: 35 °F
Chance Rain
Friday
High: 49 °F
Chance Rain
Friday Night
Low: 39 °F
Chance Rain
Saturday
High: 53 °F
Chance Rain

Detailed Forecast

Today

Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 47. Breezy, with a south southwest wind 21 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain before 1am, then a chance of rain and snow. Low around 36. West southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 48. West southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain. Low around 40. South southeast wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain. High near 46. South wind around 18 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

A 30 percent chance of rain. Partly cloudy, with a low around 35.

Friday

A 30 percent chance of rain. Mostly sunny, with a high near 49.

Friday Night

A chance of rain. Partly cloudy, with a low around 39.

Saturday

A chance of rain. Partly sunny, with a high near 53.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.

Sunday

Rain. Mostly cloudy, with a high near 58.