Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

N/A

Humidity	28%
Wind Speed	NW 9 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	17 May 05:05 PM PDT

More Information:

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

Extended Forecast for

5 Miles NE San Ramon CA

Overnight
Low: 55 °F
Slight Chance
Showers
Sunday
High: 79 °F
Slight Chance
Showers then
Sunny
Sunday Night
Low: 53 °F
Increasing
Clouds
Monday
High: 79 °F
Becoming
Sunny
Monday Night
Low: 52 °F
Partly Cloudy
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 82 °F
Mostly Sunny
Wednesday Night
Low: 53 °F
Mostly Clear

Detailed Forecast

Overnight

A 20 percent chance of showers. Cloudy, with a low around 55. West wind around 5 mph.

Sunday

A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 79. West southwest wind 5 to 9 mph, with gusts as high as 20 mph.

Sunday Night

Increasing clouds, with a low around 53. West wind 5 to 9 mph, with gusts as high as 18 mph.

Monday

Mostly cloudy through mid morning, then gradual clearing, with a high near 79. West southwest wind 6 to 9 mph, with gusts as high as 21 mph.

Monday Night

Partly cloudy, with a low around 52. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

Tuesday

Mostly sunny, with a high near 76.

Tuesday Night

Partly cloudy, with a low around 51.

Wednesday

Mostly sunny, with a high near 82.