National Weather Service Forecast for: Porterville CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 12:56 pm PDT May 26, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 75. West northwest wind 5 to 10 mph.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, with a low around 51. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Mostly Cloudy

 Wednesday

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 73. South southwest wind around 5 mph becoming west in the afternoon.
Decreasing
Clouds
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 52. Northwest wind around 5 mph becoming south southeast after midnight.
Mostly Cloudy

 Thursday

Thursday: A 30 percent chance of rain after 11am. Partly sunny, with a high near 73. South southeast wind around 5 mph becoming west in the afternoon.
Chance Rain

 Thursday
Night
Thursday Night: A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
then Mostly
Cloudy
 Friday

Friday: Mostly sunny, with a high near 78. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 54. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 85. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Sunny
Hi 75 °F Lo 51 °F Hi 73 °F Lo 52 °F Hi 73 °F Lo 51 °F Hi 78 °F Lo 54 °F Hi 85 °F

 

This Afternoon
 
 Partly sunny, with a high near 75. West northwest wind 5 to 10 mph.
Tonight
 
 Mostly cloudy, with a low around 51. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Wednesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 73. South southwest wind around 5 mph becoming west in the afternoon.
Wednesday Night
 
 Mostly cloudy, with a low around 52. Northwest wind around 5 mph becoming south southeast after midnight.
Thursday
 
 A 30 percent chance of rain after 11am. Partly sunny, with a high near 73. South southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
 
 A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Mostly sunny, with a high near 78. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 54. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Saturday
 
 Sunny, with a high near 85. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
 
 Clear, with a low around 56. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
 
 Sunny, with a high near 88. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
Sunday Night
 
 Clear, with a low around 58. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
 
 Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Porterville CA.