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

29°F

-2°C

Humidity 75%
Wind Speed SW 7 mph
Barometer 29.63 in (1003.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 24 Mar 7:56 pm AKDT
Extended Forecast for

Petersburg AK

  • Tonight

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

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33. Calm wind becoming east around 5 mph in the afternoon.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. Northeast wind around 5 mph becoming calm.

    Low: 24 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Partly sunny, with a high near 36. Calm wind becoming east around 5 mph in the afternoon.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 25. East wind around 5 mph.

    Low: 25 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow after 10am. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 4pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 33. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 24. Northeast wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 36. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 25. East wind around 5 mph.
Friday
A 30 percent chance of snow after 10am. Partly sunny, with a high near 38.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of snow before 4pm. Mostly cloudy, with a high near 38.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 39.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 27.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 40.
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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:
3:43 pm AKDT Mar 24, 2026
Forecast Valid:
8pm AKDT Mar 24, 2026-6pm AKDT Mar 31, 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