National Weather Service Forecast for: Petrolia CA
Issued by: National Weather Service Eureka, CA
Updated: 1:10 am PST Dec 22, 2025
 
Today

Today: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 56. Calm wind becoming south southeast around 6 mph in the morning.
Chance
Showers then
Mostly Cloudy
 Tonight

Tonight: Rain likely, mainly after 4am. Cloudy, with a low around 43. Light east southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Rain
Likely
 Tuesday

Tuesday: Rain. High near 53. Light east northeast wind. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Rain

 Tuesday
Night
Tuesday Night: Rain. The rain could be heavy at times. Low around 46. East northeast wind 7 to 10 mph becoming southeast in the evening. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Heavy Rain

 Wednesday

Wednesday: Rain. High near 55. Southeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

 Wednesday
Night
Wednesday Night: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 45. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and
Breezy
 Christmas
Day
Christmas Day: Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 54. Windy. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and
Windy
 Thursday
Night
Thursday Night: Rain. Cloudy, with a low around 44. Breezy.
Rain and
Breezy
 Friday

Friday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 54.
Rain Likely
Hi 56 °F Lo 43 °F Hi 53 °F Lo 46 °F Hi 55 °F Lo 45 °F Hi 54 °F Lo 44 °F Hi 54 °F

 

Today
 
 A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 56. Calm wind becoming south southeast around 6 mph in the morning.
Tonight
 
 Rain likely, mainly after 4am. Cloudy, with a low around 43. Light east southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Rain. High near 53. Light east northeast wind. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
 
 Rain. The rain could be heavy at times. Low around 46. East northeast wind 7 to 10 mph becoming southeast in the evening. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday
 
 Rain. High near 55. Southeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
 
 Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 45. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
 
 Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 54. Windy. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
 
 Rain. Cloudy, with a low around 44. Breezy.
Friday
 
 Rain likely, mainly before 4pm. Mostly cloudy, with a high near 54.
Friday Night
 
 A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 40.
Saturday
 
 A slight chance of rain. Mostly sunny, with a high near 55.
Saturday Night
 
 Mostly cloudy, with a low around 40.
Sunday
 
 Partly sunny, with a high near 56.

 

Forecast from NOAA-NWS for Petrolia CA.