National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

100°F

38°C

Humidity 22%
Wind Speed NW 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 26 Aug 05:56 PM PDT
Extended Forecast for

12 Miles S Porterville CA

Heat Advisory August 26, 06:09pm until August 26, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 26, 06:09pm until August 26, 11:00pm

    NOW until 11:00pm Wed

    Heat Advisory

  • Tonight

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 97. South wind around 5 mph becoming northwest in the afternoon.

    High: 97 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 71. Northwest wind around 5 mph becoming southeast in the evening.

    Low: 71 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 96. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 96 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 97. South southwest wind around 5 mph becoming west northwest in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 65. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 97. South wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 71. Northwest wind around 5 mph becoming southeast in the evening.
Friday
Partly sunny, with a high near 96. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 67. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 97. South southwest wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
Clear, with a low around 65. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 94. South southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Clear, with a low around 63. Northwest wind 5 to 10 mph becoming south after midnight.
Monday
Sunny, with a high near 91. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 57. West northwest wind 5 to 10 mph becoming east southeast in the evening. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 87. South southwest wind around 5 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 88. South wind around 5 mph becoming west northwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Porterville CA
 35.9°N 119.06°W (Elev. 505 ft)
Last Update:
5:56 pm PDT Aug 26, 2026
Forecast Valid:
6pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation