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Petaluma Muni, CA Weather Forecast
Petaluma Muni, CA Weather Forecast Dated: 927 PM Sun Sep 13 2026
Expect a mild stretch with plenty of sunshine and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 13, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 17°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the NW to the WSW at 6 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
64°F 18°C
Smoky Haze
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
62°F 17°C
Sunny
Comfortable with temperatures reaching 76°F 24°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with increasing humidity and steady pressure. Winds switching from the NW to the SSW at 5 mph 8 km/h.
Tuesday, September 15, 2026
Mid-Morning
63°F 17°C
Smoky Haze
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
59°F 16°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ESE to the SSW at 5 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mild temperatures up to 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds swinging from the SSW to the SW at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mild with a high of 73°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the WNW to the SW at 6 mph 10 km/h.
Friday, September 18, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
60°F 16°C
Light Fog
Pleasant near 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the N to the SSW at 6 mph 9 km/h.
Saturday, September 19, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
77°F 25°C
Partly Cloudy
Early-Evening
59°F 15°C
Light Fog
Comfortable with temperatures reaching 77°F 25°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the SE to the SSW at 6 mph 9 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
67°F 19°C
Cloudy
Early-Evening
58°F 15°C
Light Fog
Cool with a high near 67°F 19°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SSW to the SW at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
60°F 16°C
Partly Cloudy
Mild temperatures up to 75°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the W to the SW at 5 mph 7 km/h.
Tuesday, September 22, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
84°F 29°C
Cloudy
Early-Evening
65°F 18°C
Overcast
Very warm with a high of 84°F 29°C, cloudy throughout the day, with steady humidity and steady pressure. Winds shifting from the SW to the W at 5 mph 8 km/h.
Wednesday, September 23, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
63°F 18°C
Light Fog
Pleasant near 79°F 26°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with increasing humidity and steady pressure. Winds turning from the S to the NW at 6 mph 10 km/h.
Thursday, September 24, 2026
Mid-Morning
63°F 17°C
Light Showers
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
61°F 17°C
Light Fog
Comfortable with temperatures reaching 74°F 23°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds switching from the SSW to the WSW at 6 mph 9 km/h.
Friday, September 25, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
60°F 16°C
Light Fog
Enjoyable around 72°F 22°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the WNW to the SSW at 5 mph 9 km/h.
Saturday, September 26, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
57°F 14°C
Overcast
Mild temperatures up to 71°F 22°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds swinging from the W to the SSE at 5 mph 8 km/h.
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