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 S Porterville CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. South southeast wind around 5 mph becoming west in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. West northwest wind around 5 mph becoming east in the evening.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. South southeast wind around 5 mph becoming west in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Northwest wind around 5 mph becoming east southeast after midnight.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 84. South southeast wind around 5 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84. South southeast wind around 5 mph becoming west in the afternoon.
Tuesday Night
Clear, with a low around 55. West northwest wind around 5 mph becoming east in the evening.
Wednesday
Sunny, with a high near 83. South southeast wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Northwest wind around 5 mph becoming east southeast after midnight.
Thursday
Mostly sunny, with a high near 81. South wind around 5 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 85. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 56. Northwest wind around 5 mph becoming east in the evening.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Porterville CA
 36.02°N 119.03°W (Elev. 479 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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