Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes
Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >
Current conditions at
Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
50°F
10°C
| Humidity | 58% |
| Wind Speed | NNW 15 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Wind Chill | 45°F (7°C) |
| Last update | 22 Jun 06:05 AM PDT |
Extended Forecast for
5 Miles NNE San Ramon CA
Today
High: 78 °F
Sunny
Tonight
Low: 49 °F
Mostly Clear
Monday
High: 85 °F
Sunny
Monday Night
Low: 51 °F
Increasing
CloudsTuesday
High: 78 °F
Sunny
Tuesday Night
Low: 50 °F
Partly Cloudy
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 51 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 78. North northwest wind 5 to 11 mph becoming west southwest in the afternoon.
Tonight
Mostly clear, with a low around 49. West wind 5 to 9 mph becoming light after midnight.
Monday
Sunny, with a high near 85. Light southwest wind becoming west 5 to 9 mph in the morning.
Monday Night
Increasing clouds, with a low around 51. South southwest wind 5 to 11 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 5 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles NNE San Ramon CA
37.83°N 121.91°W (Elev. 1220 ft)
37.83°N 121.91°W (Elev. 1220 ft)
2:39 am PDT Jun 22, 2025
6am PDT Jun 22, 2025-6pm PDT Jun 28, 2025
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