Severe Thunderstorms and Critical Fire Weather Wednesday
Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
61°F
16°C
| Humidity | 17% |
| Wind Speed | W 19 MPH |
| Barometer | NA |
| Dewpoint | 17°F (-8°C) |
| Visibility | NA |
| Last update | 12 May 07:55 PM PDT |
Extended Forecast for
6 Miles ENE San Ramon CA
Overnight
Low: 50 °F
Mostly Cloudy
Wednesday
High: 73 °F
Becoming
SunnyWednesday Night
Low: 47 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 50 °F
Mostly Clear
Saturday
High: 75 °F
Sunny
Saturday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 50. West southwest wind around 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. West southwest wind 9 to 11 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 47. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 82. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 49. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 80. Breezy.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles ENE San Ramon CA
37.79°N 121.87°W (Elev. 801 ft)
37.79°N 121.87°W (Elev. 801 ft)
11:26 pm PDT May 12, 2026
12am PDT May 13, 2026-6pm PDT May 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
