National Weather Service Forecast for: Porterville CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 4:56 am PDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 91. East southeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Sunny
 Tonight

Tonight: Clear, with a low around 61. West northwest wind 5 to 10 mph becoming south southeast in the evening.
Clear
 Wednesday

Wednesday: Sunny, with a high near 91. South southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 59. West wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Clear
 Thursday

Thursday: Sunny, with a high near 90. South southeast wind around 5 mph becoming west in the afternoon.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 60. West wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Clear
 Friday

Friday: Sunny, with a high near 91. South southeast wind around 5 mph becoming west in the afternoon.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 64. West northwest wind around 5 mph becoming east southeast in the evening.
Clear
 Independence
Day
Independence Day: Sunny, with a high near 96. South southeast wind around 5 mph becoming west northwest in the afternoon.
Sunny
Hi 91 °F Lo 61 °F Hi 91 °F Lo 59 °F Hi 90 °F Lo 60 °F Hi 91 °F Lo 64 °F Hi 96 °F

 

Today
 
 Sunny, with a high near 91. East southeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
 
 Clear, with a low around 61. West northwest wind 5 to 10 mph becoming south southeast in the evening.
Wednesday
 
 Sunny, with a high near 91. South southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
 
 Clear, with a low around 59. West wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Thursday
 
 Sunny, with a high near 90. South southeast wind around 5 mph becoming west in the afternoon.
Thursday Night
 
 Clear, with a low around 60. West wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Friday
 
 Sunny, with a high near 91. South southeast wind around 5 mph becoming west in the afternoon.
Friday Night
 
 Clear, with a low around 64. West northwest wind around 5 mph becoming east southeast in the evening.
Independence Day
 
 Sunny, with a high near 96. South southeast wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 66. Northwest wind around 5 mph becoming southeast in the evening.
Sunday
 
 Sunny, with a high near 97. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 66. West northwest wind 5 to 10 mph becoming south southeast in the evening.
Monday
 
 Sunny, with a high near 97. South wind 5 to 10 mph becoming west in the afternoon.

 

Forecast from NOAA-NWS for Porterville CA.