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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Mostly Cloudy

52°F

11°C

Humidity 100%
Wind Speed SSW 3 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Apr 07:20 AM PDT
Extended Forecast for

3 Miles SW Porterville CA

  • Today

    Today: Showers likely and possibly a thunderstorm before 8am, then rain likely between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 67. East southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. East southeast wind around 5 mph becoming west southwest in the evening.

    Low: 44 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 67. South wind around 5 mph becoming northwest in the afternoon.

    High: 67 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North northwest wind around 5 mph becoming east southeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. North northwest wind around 5 mph becoming east northeast in the evening.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. North northwest wind 5 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 8am, then rain likely between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 67. East southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. East southeast wind around 5 mph becoming west southwest in the evening.
Monday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 67. South wind around 5 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 42. North northwest wind around 5 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. North northwest wind around 5 mph becoming east northeast in the evening.
Wednesday
Sunny, with a high near 74. South southeast wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. North northwest wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 73. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 42. North northwest wind 5 to 10 mph becoming east after midnight.
Friday
Sunny, with a high near 74. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 44. North northwest wind around 5 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Porterville CA
 36.04°N 119.06°W (Elev. 427 ft)
Last Update:
6:56 am PDT Apr 12, 2026
Forecast Valid:
7am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation