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.

Rain

55°F

13°C

Humidity 87%
Wind Speed W 11 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Apr 02:35 AM PDT
Extended Forecast for

3 Miles S Porterville CA

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 49. Southwest wind around 5 mph becoming northwest. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: 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 65. 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: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. East wind around 5 mph becoming calm 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 64. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 64 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Tuesday Night

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

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. North northwest wind around 5 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 49. Southwest wind around 5 mph becoming northwest. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
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 65. 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.
Sunday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 44. East wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 70. 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 calm in the evening.
Wednesday
Sunny, with a high near 73. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. North northwest wind around 5 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 72. Light west wind becoming northwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 44. Northwest wind 5 to 10 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 73. South southeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. 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 S Porterville CA
 36.02°N 119.03°W (Elev. 479 ft)
Last Update:
1:56 am PDT Apr 12, 2026
Forecast Valid:
2am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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