Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

90°F

32°C

Humidity 23%
Wind Speed SSE 6 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index87°F (31°C)
Last update 22 Jun 05:00 PM PDT
Extended Forecast for

20 Miles E Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 62. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 64. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. West southwest wind 5 to 9 mph.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 62. Southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
Clear, with a low around 64. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 62. West southwest wind 5 to 9 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Mount Hamilton CA
 37.32°N 121.26°W (Elev. 1401 ft)
2:00 pm PDT Jun 22, 2026
6pm PDT Jun 22, 2026-6pm PDT Jun 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database