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

30°F

-1°C

Humidity 88%
Wind Speed Calm
Barometer 30.07 in (1018.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 23 Mar 8:56 pm AKDT
Extended Forecast for

Petersburg AK

  • Tonight

    Tonight: A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Tuesday

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

    High: 39 °F

    Sunny

  • Tuesday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

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

    High: 33 °F

    Mostly Cloudy
    then 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. 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 27. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely

  • Friday

    Friday: A 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 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 21. Calm wind.
Tuesday
Sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 22. North wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of snow 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. Chance of precipitation is 60%.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Friday
A chance of snow. Mostly cloudy, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28.
Saturday
A chance of snow. Mostly cloudy, with a high near 39.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 30.
Sunday
A chance of snow. Partly sunny, with a high near 39.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
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:
9:06 pm AKDT Mar 23, 2026
Forecast Valid:
9pm AKDT Mar 23, 2026-6pm AKDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation