National Weather Service Forecast for: Porterville CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 1:56 pm PDT Apr 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 86. Northwest wind 5 to 10 mph.
Sunny
 Tonight

Tonight: Clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Clear
 Tuesday

Tuesday: Sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Partly Cloudy
 Thursday

Thursday: Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Partly Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming south southeast in the evening.
Mostly Cloudy
 Friday

Friday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Chance
Showers
Hi 86 °F Lo 52 °F Hi 81 °F Lo 51 °F Hi 81 °F Lo 55 °F Hi 80 °F Lo 54 °F Hi 78 °F

 

This Afternoon
 
 Sunny, with a high near 86. Northwest wind 5 to 10 mph.
Tonight
 
 Clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Tuesday Night
 
 Mostly clear, with a low around 51. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
 
 Sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Thursday
 
 Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
 Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming south southeast in the evening.
Friday
 
 A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 53. West southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
 
 Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 A 30 percent chance of rain. Mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming east in the evening.
Sunday
 
 A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Porterville CA.