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.

Overcast

35°F

2°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 27 Mar 10:56 am AKDT
Extended Forecast for

Petersburg AK

  • Today

    Today: Snow showers likely. Mostly cloudy, with a high near 36. East wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly between 1am and 4am. Mostly cloudy, with a low around 25. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 37. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Flurries after 10am. Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Flurries

  • Sunday Night

    Sunday Night: Flurries. Partly cloudy, with a low around 23.

    Low: 23 °F

    Flurries

  • Monday

    Monday: A 30 percent chance of snow after 4pm. Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow before 10pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow showers likely. Mostly cloudy, with a high near 36. East wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers likely, mainly between 1am and 4am. Mostly cloudy, with a low around 25. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 37. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A 30 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 24. Calm wind.
Sunday
Flurries after 10am. Partly sunny, with a high near 38. Calm wind.
Sunday Night
Flurries. Partly cloudy, with a low around 23.
Monday
A 30 percent chance of snow after 4pm. Partly sunny, with a high near 37.
Monday Night
A chance of snow before 10pm. Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petersburg AK
 56.81°N 132.95°W (Elev. 121 ft)
Last Update:
7:29 am AKDT Mar 27, 2026
Forecast Valid:
11am AKDT Mar 27, 2026-6pm AKDT Apr 2, 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