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September 18th, 2025 :: 8:31 pm PDT   

Local Weather Report for
Napa
California, United States

 Current Napa Weather Conditions Updated September 18th at 6:54 pm 
Temperature:19°C Dew Point:16°C
Barometer:100.9 kPa Wind:N 27 Km/h
Humidity:82.7% Visibility:0 Km
 
 Napa Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Cloudy Sunny Sunny Sunny Cloudy
29°C
28°C
16°C
29°C
17°C
31°C
17°C
33°C
19°C
 
 Napa Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Evening Temperature: 18°C
Cloudy.
Friday, September 19th, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 26°C
Sunny.
Afternoon Temperature: 23°C
Sunny.
Evening Temperature: 18°C
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 27°C
Sunny. Windy at times.
Afternoon Temperature: 24°C
Sunny.
Evening Temperature: 18°C
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 28°C
Sunny.
Afternoon Temperature: 28°C
Sunny.
Evening Temperature: 21°C
Clear.
Monday, September 22nd, 2025
Overnight Temperature: 20°C
Clear.
Morning Temperature: 30°C
Sunny.
Afternoon Temperature: 29°C
Sunny.
Evening Temperature: 21°C
Cloudy.
Tuesday, September 23rd, 2025
Overnight Temperature: 18°C
Cloudy.
Morning Temperature: 24°C
Cloudy.
Afternoon Temperature: 20°C
Cloudy.
Evening Temperature: 17°C
A mix of cloudy and clear skies.
Wednesday, September 24th, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 25°C
Sunny.
Afternoon Temperature: 22°C
Sunny. Windy at times.
Evening Temperature: 17°C
Cloudy.
Thursday, September 25th, 2025
Overnight Temperature: 16°C
Clear.
Morning Temperature: 26°C
Sunny.
Afternoon Temperature: 23°C
Sunny.
Evening Temperature: 17°C
Clear.
Friday, September 26th, 2025
Overnight Temperature: 15°C
A mix of clear and cloudy skies.
Morning Temperature: 23°C
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 20°C
Mostly sunny. Windy at times.
Evening Temperature: 15°C
Mostly clear.





 

  [ Local Weather Report ]
American Canyon, CA 
6:54 PM  19°C
 
 
Vallejo, CA 
6:54 PM  19°C
 
 
Sonoma, CA 
6:55 PM  15°C
Mostly Clear
 
Benicia, CA 
6:53 PM  23°C
 
 
Hercules, CA 
6:54 PM  19°C
 
 
Fairfield, CA 
6:55 PM  23°C
Overcast
 
Pinole, CA 
 
Suisun City, CA 
6:55 PM  23°C
Overcast
 
Yountville, CA 
 
Novato, CA 
6:55 PM  22°C
 

This WeatherCity Weather Forecast for Napa, 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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