National Weather Service Forecast for: Porterville CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 12:57 am PST Dec 23, 2025
 
Overnight

Overnight: Cloudy, with a low around 53. Calm wind.
Cloudy

 Tuesday

Tuesday: A 10 percent chance of rain after 4pm. Cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Cloudy then
Slight Chance
Rain
 Tuesday
Night
Tuesday Night: Rain, mainly after 10pm. Low around 57. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain

 Wednesday

Wednesday: Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 60. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers

 Wednesday
Night
Wednesday Night: Rain, mainly before 10pm. Low around 52. East southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Christmas
Day
Christmas Day: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 54. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 48. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Showers

 Friday

Friday: Rain, mainly before 4pm. High near 51. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Friday
Night
Friday Night: A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
then Slight
Chance Rain
Lo 53 °F Hi 65 °F Lo 57 °F Hi 60 °F Lo 52 °F Hi 54 °F Lo 48 °F Hi 51 °F Lo 41 °F

Flood Watch
 

Overnight
 
 Cloudy, with a low around 53. Calm wind.
Tuesday
 
 A 10 percent chance of rain after 4pm. Cloudy, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
 
 Rain, mainly after 10pm. Low around 57. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 60. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
 
 Rain, mainly before 10pm. Low around 52. East southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
 
 Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 54. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 48. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
 
 Rain, mainly before 4pm. High near 51. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 A 20 percent chance of rain. Mostly sunny, with a high near 50. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 39. Calm wind.
Sunday
 
 Mostly sunny, with a high near 48. Calm wind becoming west around 5 mph.
Sunday Night
 
 Partly cloudy, with a low around 39. Calm wind.
Monday
 
 Mostly cloudy, with a high near 48. Calm wind becoming west northwest around 5 mph.

 

Forecast from NOAA-NWS for Porterville CA.