Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

Lat: 36.03333°NLon: 119.06667°WElev: 443.0ft.

Clear

91°F

33°C

Humidity 27%
Wind Speed N 0 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 04 Aug 08:35 PM PDT
Extended Forecast for

Porterville CA

Heat Advisory August 4, 08:57pm until August 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 08:57pm until August 5, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 72 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 72. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 72 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west in the afternoon.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 73. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west in the afternoon.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 73. Northwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 15 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 72. West wind around 5 mph becoming southeast in the evening.
Wednesday
Sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Clear, with a low around 72. West northwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
Clear, with a low around 73. West northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west in the afternoon.
Friday Night
Clear, with a low around 73. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Saturday
Sunny and hot, with a high near 103. South southeast wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 74. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny and hot, with a high near 104. South southeast wind around 5 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 75. West northwest wind 5 to 10 mph becoming southeast in the evening.
Monday
Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 72. West wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 99. South southeast wind 5 to 10 mph becoming west in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Porterville CA
 36.08°N 119.05°W (Elev. 472 ft)
8:48 pm PDT Aug 4, 2026
8pm PDT Aug 4, 2026-6pm PDT Aug 11, 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