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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Mist

63°F

17°C

Humidity 93%
Wind Speed SSW 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 61°F (16°C)
Visibility 6.00 mi
Last update 22 Mar 12:20 AM PDT
Extended Forecast for

3 Miles SW Porterville CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. North northwest wind around 5 mph becoming south.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. South southeast wind around 5 mph becoming northwest in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming east southeast in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

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

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South southeast wind around 5 mph becoming west in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming east southeast after midnight.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. North northwest wind around 5 mph becoming south.
Sunday
Sunny, with a high near 86. South southeast wind around 5 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming east southeast in the evening.
Monday
Sunny, with a high near 86. South wind around 5 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming southeast after midnight.
Tuesday
Sunny, with a high near 86. South southeast wind around 5 mph becoming west in the afternoon.
Tuesday Night
Clear, with a low around 53. Northwest wind around 5 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 85. South southeast wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming east southeast after midnight.
Thursday
Mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming east southeast after midnight.
Friday
Partly sunny, with a high near 86. East southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming east in the evening.
Saturday
Mostly sunny, with a high near 87. Southeast wind around 5 mph becoming west northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Porterville CA
 36.04°N 119.06°W (Elev. 427 ft)
Last Update:
11:56 pm PDT Mar 21, 2026
Forecast Valid:
12am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

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