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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

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

Clear

85°F

29°C

Humidity 18%
Wind Speed NNW 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Apr 02:56 PM PDT
Extended Forecast for

3 Miles SW Porterville CA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm.

    Low: 48 °F

    Mostly 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: A 10 percent chance of rain after 11pm. Increasing clouds, with a low around 50. West northwest wind around 5 mph becoming north northeast in the evening.

    Low: 50 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 69. Northeast wind 5 to 10 mph becoming west northwest in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 45. Southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. East southeast wind 5 to 10 mph becoming west northwest in the morning.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Northwest wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. North northwest wind 5 to 10 mph becoming northeast in the evening.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 84. South southeast wind around 5 mph becoming northwest in the afternoon.
Monday Night
A 10 percent chance of rain after 11pm. Increasing clouds, with a low around 50. West northwest wind around 5 mph becoming north northeast in the evening.
Tuesday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 69. Northeast wind 5 to 10 mph becoming west northwest in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 45. Southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 70. East southeast wind 5 to 10 mph becoming west northwest in the morning.
Wednesday Night
Mostly clear, with a low around 43. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 74. South wind 5 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. North northwest wind 5 to 10 mph becoming northeast in the evening.
Friday
Mostly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming southeast in the evening.
Saturday
Partly sunny, with a high near 77. South wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. North northwest wind 5 to 10 mph becoming south southeast in the evening.
Sunday
A 10 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. South wind around 5 mph becoming west 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:
2:56 pm PDT Apr 19, 2026
Forecast Valid:
3pm PDT Apr 19, 2026-6pm PDT Apr 26, 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