National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Petersburg (PAPG)

Lat: 56.8°NLon: 132.95°WElev: 71ft.

Fair

32°F

0°C

Humidity 61%
Wind Speed E 5 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 24 Mar 10:56 am AKDT
Extended Forecast for

Petersburg AK

  • Today

    Today: Sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 22. North wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 33. Calm wind becoming east around 5 mph in the afternoon.

    High: 33 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 23. East wind around 5 mph becoming calm.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 37. East wind around 5 mph. Chance of precipitation is 60%.

    High: 37 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 22. North wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 33. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 23. East wind around 5 mph becoming calm.
Thursday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 37. East wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26.
Saturday
A chance of snow. Mostly cloudy, with a high near 39.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26.
Sunday
A chance of rain and snow. Partly sunny, with a high near 39.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petersburg AK
 56.81°N 132.95°W (Elev. 121 ft)
Last Update:
6:37 am AKDT Mar 24, 2026
Forecast Valid:
11am AKDT Mar 24, 2026-6pm AKDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation