Active Pattern for the Center of the Nation

Severe thunderstorms, excessive rainfall, critical fire weather are all in the outlook today and into this last weekend of April. Very large hail, severe wind gusts, and a couple strong tornadoes will all be possible across the central and southern Plains today. Flash flooding also possible for portions of the Plains and Mississippi Valley. Critical fire weather conditions for Southern High Plains Read More >

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Current conditions at

Mt. Diablo (SJS02)

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

6°C

42°F

Humidity	89%
Wind Speed	W 14 MPH
Barometer	NA
Dewpoint	4°C (40°F)
Visibility	NA
Wind Chill	2°C (35°F)
Last update	25 Apr 05:15 AM PDT

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

Today

Partly Sunny
then Mostly
Sunny and
Breezy
High: 8 °C
Tonight

Mostly Cloudy
and Breezy
Low: 6 °C
Friday

Decreasing
Clouds and
Breezy
High: 10 °C
Friday
Night

Mostly Clear
and Breezy
then Mostly
Clear
Low: 6 °C
Saturday

Sunny
High: 13 °C
Saturday
Night

Mostly Clear
Low: 7 °C
Sunday

Sunny
High: 14 °C
Sunday
Night

Clear
Low: 6 °C
Monday

Sunny
High: 15 °C

Detailed Forecast

Today

Partly sunny, with a steady temperature around 8. Breezy, with a southwest wind 23 to 28 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 50 km/h.

Tonight

Mostly cloudy, with a low around 6. Breezy, with a west wind 35 to 40 km/h, with gusts as high as 60 km/h.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 10. Breezy, with a west wind 34 to 40 km/h, with gusts as high as 50 km/h.

Friday Night

Mostly clear, with a low around 6. Breezy, with a west southwest wind 35 to 40 km/h decreasing to 23 to 28 km/h after midnight. Winds could gust as high as 55 km/h.

Saturday

Sunny, with a high near 13. West wind 16 to 23 km/h, with gusts as high as 34 km/h.

Saturday Night

Mostly clear, with a low around 7.

Sunday

Sunny, with a high near 14.

Sunday Night

Clear, with a low around 6.

Monday

Sunny, with a high near 15.

Monday Night

Clear, with a low around 6.