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May 17th, 2026 :: 9:51 am PDT   

Local Weather Report for
Petaluma
California, United States

 Current Petaluma Weather Conditions Updated May 17th at 8:55 am 
Temperature:59°F Dew Point:39°F
Barometer:29.92 inHg Wind:N 15 Mph
Humidity:47.7% Visibility:0M
 
 Petaluma Weather Forecast Summary  
 
Today
May 17th
Monday
May 18th
Tuesday
May 19th
Wednesday
May 20th
Thursday
May 21st
Mostly Sunny Sunny Sunny Mostly Sunny Mostly Sunny
70°F
71°F
57°F
72°F
55°F
66°F
53°F
68°F
54°F
 
 Petaluma Detailed Weather Forecast  
 
Sunday, May 17th, 2026
Morning Temperature: 54°F
Mostly sunny.
Afternoon Temperature: 66°F
Sunny. Windy.
Evening Temperature: 63°F
Clear. Windy.
Monday, May 18th, 2026
Overnight Temperature: 62°F
Clear. Windy.
Morning Temperature: 64°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Sunny. Windy at times.
Evening Temperature: 59°F
Clear.
Tuesday, May 19th, 2026
Overnight Temperature: 56°F
Clear.
Morning Temperature: 60°F
Sunny.
Afternoon Temperature: 72°F
Sunny. Windy at times.
Evening Temperature: 59°F
Clear.
Wednesday, May 20th, 2026
Overnight Temperature: 53°F
Clear.
Morning Temperature: 58°F
Mostly sunny.
Afternoon Temperature: 66°F
Sunny. Windy at times.
Evening Temperature: 57°F
Clear.
Thursday, May 21st, 2026
Overnight Temperature: 54°F
Mostly clear.
Morning Temperature: 61°F
Sunny.
Afternoon Temperature: 68°F
Sunny. Windy at times.
Evening Temperature: 57°F
Clear. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 53°F
Clear. Windy at times.
Morning Temperature: 57°F
Sunny. Windy at times.
Afternoon Temperature: 61°F
Sunny. Windy at times.
Evening Temperature: 53°F
Clear. Windy at times.
Saturday, May 23rd, 2026
Overnight Temperature: 51°F
Clear.
Morning Temperature: 56°F
Sunny. Windy at times.
Afternoon Temperature: 61°F
Sunny. Windy at times.
Evening Temperature: 53°F
Clear. Windy at times.
Sunday, May 24th, 2026
Overnight Temperature: 51°F
Clear.
Morning Temperature: 57°F
Sunny.
Afternoon Temperature: 63°F
Sunny. Windy at times.
Evening Temperature: 54°F
Clear. Windy at times.
Monday, May 25th, 2026
Overnight Temperature: 52°F
Clear.
Morning Temperature: 57°F
Sunny. Windy at times.
Afternoon Temperature: 60°F
Sunny. Windy at times.
Evening Temperature: 53°F
Clear. Windy at times.





 

  [ Local Weather Report ]
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8:55 AM  61°F
 
 
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Napa, CA 
8:54 AM  59°F
 
 
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Yountville, CA 

 
This WeatherCity Weather Forecast for Petaluma, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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