National Weather Service Forecast for: Petrolia CA
Issued by: National Weather Service Eureka, CA
Updated: 2:40 pm PST Dec 16, 2025
 
This
Afternoon
This Afternoon: Rain. High near 61. South southwest wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Tonight

Tonight: Rain. Low around 50. Light and variable wind becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Rain

 Wednesday

Wednesday: Showers likely, mainly before 10am, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. North northwest wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely then
Slight Chance
Showers
 Wednesday
Night
Wednesday Night: A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47. Light and variable wind becoming south southeast around 6 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Thursday

Thursday: Rain. High near 59. South southeast wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

 Thursday
Night
Thursday Night: Rain. Low around 52. South southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

 Friday

Friday: Rain. The rain could be heavy at times. High near 59. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain

 Friday
Night
Friday Night: Rain. Mostly cloudy, with a low around 48.
Rain

 Saturday

Saturday: Rain likely. Mostly cloudy, with a high near 58.
Rain Likely
Hi 61 °F Lo 50 °F Hi 59 °F Lo 47 °F Hi 59 °F Lo 52 °F Hi 59 °F Lo 48 °F Hi 58 °F

 

This Afternoon
 
 Rain. High near 61. South southwest wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
 Rain. Low around 50. Light and variable wind becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
 
 Showers likely, mainly before 10am, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. North northwest wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
 
 A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47. Light and variable wind becoming south southeast around 6 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Rain. High near 59. South southeast wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
 
 Rain. Low around 52. South southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
 
 Rain. The rain could be heavy at times. High near 59. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday Night
 
 Rain. Mostly cloudy, with a low around 48.
Saturday
 
 Rain likely. Mostly cloudy, with a high near 58.
Saturday Night
 
 Rain likely, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 49.
Sunday
 
 Rain and possibly a thunderstorm. Mostly cloudy, with a high near 60.
Sunday Night
 
 Rain and possibly a thunderstorm. Mostly cloudy, with a low around 48.
Monday
 
 Rain likely. Mostly cloudy, with a high near 58.
Monday Night
 
 Rain likely. Mostly cloudy, with a low around 46.
Tuesday
 
 Rain likely. Mostly cloudy, with a high near 57.

 

Forecast from NOAA-NWS for Petrolia CA.