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Petrolia, CA Weather Forecast
Petrolia, CA Weather Forecast Dated: 1009 PM Wed Sep 09 2026
Expect a very warm period with plenty of sunshine and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
85°F 29°C
Overcast
Very hot with temperatures reaching 96°F 35°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
71°F 22°C
Partly Cloudy
Hot and sweltering around 91°F 33°C, overcast through the afternoon, turning sunny this evening, with increasing humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
60°F 16°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the N at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
54°F 13°C
Sunny
Cool with a high near 66°F 19°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NW at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mild with a high of 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds NNW at 7 mph 12 km/h.
Monday, September 14, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
57°F 14°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NNW at 9 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
63°F 17°C
Sunny
Balmy with temperatures reaching 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
64°F 18°C
Sunny
Quite warm around 80°F 26°C, sunny throughout the day, with increasing humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
65°F 18°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with increasing humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
62°F 16°C
Sunny
Very warm with a high of 80°F 27°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
55°F 13°C
Sunny
Pleasant near 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the N at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable with temperatures reaching 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the ESE to the WSW at 9 mph 15 km/h.
Monday, September 21, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
66°F 19°C
Sunny
Quite warm around 87°F 31°C, sunny throughout the day, with increasing humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
78°F 26°C
Sunny
Hot temperatures near 96°F 35°C, sunny throughout the day, with steady humidity and steady pressure.
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