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

Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

97°F

36°C

Humidity 22%
Wind Speed NW 10 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Aug 05:00 PM PDT
Extended Forecast for

4 Miles NNW Porterville CA

Heat Advisory August 22, 11:00am until August 24, 08:00am
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 70. West northwest wind around 5 mph becoming calm after midnight.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 101. South southeast wind around 5 mph becoming northwest in the afternoon.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. North northwest wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 106. Southeast wind around 5 mph becoming west in the afternoon.

    High: 106 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. West northwest wind around 5 mph becoming southeast in the evening.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 11am. Mostly sunny and hot, with a high near 103. Southeast wind around 5 mph becoming west in the afternoon.

    High: 103 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 77. Northwest wind around 5 mph becoming southeast in the evening.

    Low: 77 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am. Mostly sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west in the afternoon.

    High: 102 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm. Mostly clear, with a low around 75. West northwest wind around 5 mph becoming southeast in the evening.

    Low: 75 °F

    Slight Chance
    Rain then
    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. West northwest wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny and hot, with a high near 101. South southeast wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 75. North northwest wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 106. Southeast wind around 5 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 77. West northwest wind around 5 mph becoming southeast in the evening.
Saturday
A 30 percent chance of rain, mainly after 11am. Mostly sunny and hot, with a high near 103. Southeast wind around 5 mph becoming west in the afternoon.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 77. Northwest wind around 5 mph becoming southeast in the evening.
Sunday
A 30 percent chance of rain after 11am. Mostly sunny and hot, with a high near 102. South southeast wind around 5 mph becoming west in the afternoon.
Sunday Night
A 20 percent chance of rain before 11pm. Mostly clear, with a low around 75. West northwest wind around 5 mph becoming southeast in the evening.
Monday
A 20 percent chance of rain after 11am. Mostly sunny and hot, with a high near 101. South southeast wind around 5 mph becoming west in the afternoon.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 73. West northwest wind 5 to 10 mph becoming south southeast in the evening.
Tuesday
A 20 percent chance of rain. Sunny, with a high near 99. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. West northwest wind 5 to 10 mph becoming southeast in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming west northwest around 5 mph in the afternoon.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Porterville CA
 36.11°N 119.05°W (Elev. 417 ft)
Last Update:
4:56 pm PDT Aug 20, 2025
Forecast Valid:
5pm PDT Aug 20, 2025-6pm PDT Aug 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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