National Weather Service Forecast for: Porterville CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 4:58 am PDT Apr 26, 2025
 
Overnight

Overnight: A 50 percent chance of rain.  Mostly cloudy, with a steady temperature around 50. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

Saturday

Saturday: Rain, mainly between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 61. Calm wind becoming southwest around 5 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Slight Chance
Rain
Sunday

Sunday: Partly sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Partly Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Monday

Monday: Sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 51. North northwest wind around 5 mph becoming east after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming east after midnight.
Partly Cloudy

Lo 50 °F Hi 61 °F Lo 47 °F Hi 65 °F Lo 45 °F Hi 73 °F Lo 51 °F Hi 83 °F Lo 57 °F

 

Overnight
 
A 50 percent chance of rain. Mostly cloudy, with a steady temperature around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
Rain, mainly between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 61. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
Partly sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
 
Partly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Monday
 
Sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 51. North northwest wind around 5 mph becoming east after midnight.
Tuesday
 
Sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming east after midnight.
Wednesday
 
Mostly sunny, with a high near 86. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming southeast after midnight.
Thursday
 
Sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 59. North northwest wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Porterville CA.