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

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

85°F

29°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Jun 08:56 PM PDT
Extended Forecast for

Porterville CA

  • Tonight

    Tonight: Clear, with a low around 68. Calm wind becoming east around 5 mph.

    Low: 68 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 99. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 54. Northwest wind 10 to 15 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Southeast wind around 5 mph becoming west in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. Northwest wind 5 to 10 mph becoming east in the evening.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 68. Calm wind becoming east around 5 mph.
Juneteenth
Sunny, with a high near 99. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Clear, with a low around 59. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 87. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Clear, with a low around 53. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Clear, with a low around 54. Northwest wind 10 to 15 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 86. Southeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Clear, with a low around 58. Northwest wind 5 to 10 mph becoming east in the evening.
Monday
Sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 62. Northwest wind around 5 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 93. Southeast wind around 5 mph becoming west northwest in the afternoon.
Tuesday Night
Clear, with a low around 62. West northwest wind 5 to 10 mph becoming southeast in the evening.
Wednesday
Sunny, with a high near 96. South southeast 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:
Porterville CA
 36.07°N 119.01°W (Elev. 479 ft)
Last Update:
11:49 am PDT Jun 18, 2025
Forecast Valid:
9pm PDT Jun 18, 2025-6pm PDT Jun 25, 2025
 
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