National Weather Service Forecast for: Porterville CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 3:56 pm PDT Jul 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 74. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Mostly Cloudy
 Monday

Monday: Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Hot
 Monday
Night
Monday Night: Partly cloudy, with a low around 74. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Partly Cloudy
 Tuesday

Tuesday: Sunny and hot, with a high near 103. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Hot
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 74. Northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 105. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Hot
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear
 Thursday

Thursday: Sunny and hot, with a high near 102. South wind around 5 mph becoming west in the afternoon.
Hot
 Thursday
Night
Thursday Night: Mostly clear, with a low around 72. Northwest wind 5 to 10 mph becoming southeast after midnight.
Mostly Clear
Lo 74 °F Hi 100 °F Lo 74 °F Hi 103 °F Lo 74 °F Hi 105 °F Lo 73 °F Hi 102 °F Lo 72 °F

 

Tonight
 
 Mostly cloudy, with a low around 74. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Monday
 
 Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
 
 Partly cloudy, with a low around 74. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Tuesday
 
 Sunny and hot, with a high near 103. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 74. Northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Wednesday
 
 Sunny and hot, with a high near 105. South southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 73. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
 
 Sunny and hot, with a high near 102. South wind around 5 mph becoming west in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 72. Northwest wind 5 to 10 mph becoming southeast after midnight.
Friday
 
 Mostly sunny and hot, with a high near 102. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 72. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
 
 Mostly sunny, with a high near 97. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 70. Northwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 15 mph.
Sunday
 
 Sunny, with a high near 97. Light and variable wind becoming west 5 to 10 mph in the morning.

 

Forecast from NOAA-NWS for Porterville CA.