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

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

90°F

32°C

Humidity 17%
Wind Speed NW 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Oct 03:05 PM PDT
Extended Forecast for

Porterville CA

  • Tonight

    Tonight: Clear, with a low around 58. Northwest wind around 5 mph becoming southeast in the evening.

    Low: 58 °F

    Clear

  • Monday

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

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 11pm. Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 71. Calm wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 58. Northwest wind around 5 mph becoming southeast in the evening.
Monday
Sunny, with a high near 84. South southeast wind around 5 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain after 11pm. Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 71. Calm wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 70. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 73. Calm wind becoming west around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Porterville CA
 36.06°N 119.04°W (Elev. 495 ft)
Last Update:
2:56 pm PDT Oct 18, 2026
Forecast Valid:
3pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation