National Weather Service Forecast for: Petrolia CA
Issued by: National Weather Service Eureka, CA
Updated: 2:10 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 53. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 79. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Mostly Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 53. North wind 5 to 8 mph becoming calm in the evening.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 78. North northwest wind 3 to 7 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. North wind 3 to 7 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 74. North northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 69.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 52.
Partly Cloudy
Lo 53 °F Hi 79 °F Lo 53 °F Hi 78 °F Lo 52 °F Hi 74 °F Lo 51 °F Hi 69 °F Lo 52 °F

 

Tonight
 
 Partly cloudy, with a low around 53. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Monday
 
 Mostly sunny, with a high near 79. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 53. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 78. North northwest wind 3 to 7 mph.
Tuesday Night
 
 Mostly clear, with a low around 52. North wind 3 to 7 mph.
Wednesday
 
 Sunny, with a high near 74. North northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday Night
 
 Mostly clear, with a low around 51.
Thursday
 
 Mostly sunny, with a high near 69.
Thursday Night
 
 Partly cloudy, with a low around 52.
Friday
 
 Sunny, with a high near 75.
Friday Night
 
 Partly cloudy, with a low around 53.
Saturday
 
 Mostly sunny, with a high near 74.
Saturday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 54.
Sunday
 
 Partly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Petrolia CA.