Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

86°F

30°C

Humidity 37%
Wind Speed WNW 10 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Jun 05:55 PM PDT
Extended Forecast for

San Jose CA

Heat Advisory June 12, 07:26pm until June 13, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 12, 07:26pm until June 13, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Tonight

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 61. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 60. West wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 60. West northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 55.
Juneteenth
Sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose CA
 37.32°N 121.86°W (Elev. 108 ft)
2:06 pm PDT Jun 12, 2026
7pm PDT Jun 12, 2026-6pm PDT Jun 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database