National Weather Service Forecast for: Petrolia CA
Issued by: National Weather Service Eureka, CA
Updated: 3:57 pm PST Nov 1, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 44. Calm wind becoming east southeast around 5 mph.
Partly Cloudy

 Monday

Monday: Mostly cloudy, with a high near 64. South wind 5 to 7 mph.
Mostly Cloudy

 Monday
Night
Monday Night: Rain, mainly after 4am. Low around 49. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
then Rain
 Tuesday

Tuesday: Rain, mainly before 4pm. High near 61. Southeast wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain then
Rain Likely
 Tuesday
Night
Tuesday Night: A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Slight Chance
Rain then
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Patchy Fog
then Partly
Sunny
 Wednesday
Night
Wednesday Night: A 20 percent chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46.
Slight Chance
Rain and
Patchy Fog
 Thursday

Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
Patchy Fog
then Mostly
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 46.
Partly Cloudy
Lo 44 °F Hi 64 °F Lo 49 °F Hi 61 °F Lo 46 °F Hi 64 °F Lo 46 °F Hi 64 °F Lo 46 °F

Beach Hazards Statement
 

Tonight
 
 Partly cloudy, with a low around 44. Calm wind becoming east southeast around 5 mph.
Monday
 
 Mostly cloudy, with a high near 64. South wind 5 to 7 mph.
Monday Night
 
 Rain, mainly after 4am. Low around 49. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Rain, mainly before 4pm. High near 61. Southeast wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Wednesday
 
 Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
 
 A 20 percent chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46.
Thursday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
Thursday Night
 
 Partly cloudy, with a low around 46.
Friday
 
 Mostly sunny, with a high near 66.
Friday Night
 
 Partly cloudy, with a low around 47.
Saturday
 
 Mostly sunny, with a high near 68.
Saturday Night
 
 A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 49.
Sunday
 
 Patchy fog. Otherwise, partly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Petrolia CA.