National Weather Service

Current conditions at

Mt. Diablo (SJS02)

Lat: 37.881698°NLon: 121.914155°WElev: 3849.0ft.

45°F

7°C

Humidity	90%
Wind Speed	WSW 33 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	04 May 12:45 AM PDT

More Information:

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

Extended Forecast for

4 Miles S Clayton CA

Overnight
Low: 45 °F
Mostly Cloudy
and Breezy
Saturday
High: 46 °F⇓
Rain and
Breezy
Saturday Night
Low: 34 °F
Mostly Cloudy
and Breezy
Sunday
High: 46 °F
Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 51 °F
Sunny
Monday Night
Low: 41 °F
Mostly Clear
and Breezy
then Mostly
Clear
Tuesday
High: 56 °F
Sunny
Tuesday Night
Low: 44 °F
Clear

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 45. Breezy, with a southwest wind around 23 mph, with gusts as high as 34 mph.

Saturday

Rain. Temperature falling to around 37 by 5pm. Breezy, with a south southwest wind 22 to 28 mph becoming west in the morning. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Saturday Night

Mostly cloudy, with a low around 34. Breezy, with a west wind 21 to 25 mph, with gusts as high as 34 mph.

Sunday

Sunny, with a high near 46. West wind 13 to 20 mph, with gusts as high as 28 mph.

Sunday Night

Mostly clear, with a low around 38. West southwest wind 15 to 17 mph, with gusts as high as 25 mph.

Monday

Sunny, with a high near 51.

Monday Night

Mostly clear, with a low around 41. Breezy.

Tuesday

Sunny, with a high near 56.