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December 15th, 2025 :: 10:31 pm AKST   

Local Weather Report for
Petersburg
Alaska, United States

 Current Petersburg Weather Conditions Updated December 15th at 8:56 pm 
light snow
Temperature:30°F Dew Point:28°F
Barometer:29.33 inHg Wind:N 15 Mph
Humidity:92.9% Visibility:0M
 
 Petersburg Weather Forecast Summary  
 
Today
Dec 16th
Wednesday
Dec 17th
Thursday
Dec 18th
Friday
Dec 19th
Saturday
Dec 20th
Flurries Cloudy Flurries Cloudy Mostly Sunny
22°F
14°F
10°F
9°F
-6°F
-2°F
-7°F
2°F
-7°F
 
 Petersburg Detailed Weather Forecast  
 
Tuesday, December 16th, 2025
Overnight Temperature: 18°F
Cloudy with a chance of flurries.
Morning Temperature: 21°F
Cloudy with flurries likely.
Afternoon Temperature: 16°F
Cloudy with a chance of flurries.
Evening Temperature: 12°F
Cloudy with a chance of flurries. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 12°F
Cloudy with a slight chance of flurries.
Morning Temperature: 13°F
Cloudy with a chance of flurries.
Afternoon Temperature: 12°F
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: 11°F
Cloudy with a chance of flurries. Windy at times.
Thursday, December 18th, 2025
Overnight Temperature: 9°F
Cloudy with flurries likely. Windy at times.
Morning Temperature: 1°F
Cloudy with sunny periods with flurries likely. Windy at times.
Afternoon Temperature: -4°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: -6°F
Cloudy. Windy at times.
Friday, December 19th, 2025
Overnight Temperature: -6°F
Cloudy with clear periods. Windy at times.
Morning Temperature: -4°F
Cloudy. Windy at times.
Afternoon Temperature: -6°F
Sunny. Windy at times.
Evening Temperature: -5°F
Clear. Windy at times.
Saturday, December 20th, 2025
Overnight Temperature: -4°F
Clear. Windy at times.
Morning Temperature: -1°F
Sunny.
Afternoon Temperature: -3°F
Sunny. Windy at times.
Evening Temperature: -5°F
Clear with cloudy periods. Windy at times.
Sunday, December 21st, 2025
Overnight Temperature: -8°F
Cloudy. Windy.
Morning Temperature: -9°F
Cloudy. Windy.
Afternoon Temperature: -12°F
Cloudy. Windy.
Evening Temperature: -10°F
Cloudy with flurries likely. Windy.
Monday, December 22nd, 2025
Overnight Temperature: -4°F
Cloudy with flurries likely. Windy at times.
Morning Temperature: 2°F
Cloudy with a chance of flurries.
Afternoon Temperature: -2°F
A mix of cloud and sun.
Evening Temperature: -2°F
Clear with cloudy periods.
Tuesday, December 23rd, 2025
Overnight Temperature: -2°F
Clear with cloudy periods.
Morning Temperature: 3°F
A mix of cloud and sun.
Afternoon Temperature: 10°F
Cloudy.
Evening Temperature: 14°F
Cloudy with a chance of flurries. Windy at times.
Wednesday, December 24th, 2025
Overnight Temperature: 15°F
Cloudy with a few flurries.
Morning Temperature: 16°F
Cloudy with a few flurries.
Afternoon Temperature: 18°F
Cloudy with a few flurries.
Evening Temperature: 19°F
Cloudy with flurries.





 

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8:56 PM  30°F
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This WeatherCity Weather Forecast for Petersburg, Alaska, 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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