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

31°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 29.58 in (1001.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Apr 2:56 am AKDT
Extended Forecast for

Petersburg AK

  • Overnight

    Overnight: A 40 percent chance of snow showers. Patchy freezing fog. Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Chance Snow
    Showers and
    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before 10am. Partly sunny, with a high near 44. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 44 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sprinkles and flurries after 1pm. Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny then
    Sprinkles/Flurries

  • Wednesday Night

    Wednesday Night: Sprinkles before 10pm, then a chance of showers between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: Rain. Cloudy, with a high near 43.

    High: 43 °F

    Rain

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 37.

    Low: 37 °F

    Rain

Detailed Forecast

Overnight
A 40 percent chance of snow showers. Patchy freezing fog. Mostly cloudy, with a low around 30. Calm wind.
Tuesday
A 30 percent chance of snow showers before 10am. Partly sunny, with a high near 44. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sprinkles and flurries after 1pm. Sunny, with a high near 48. Calm wind.
Wednesday Night
Sprinkles before 10pm, then a chance of showers between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 50%.
Thursday
Rain likely. Cloudy, with a high near 44. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly after 4am. Cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
Rain. Cloudy, with a high near 43.
Friday Night
Rain. Cloudy, with a low around 37.
Saturday
Rain likely before 10am, then showers likely after 10am. Cloudy, with a high near 44.
Saturday Night
Showers likely. Patchy fog. Otherwise, cloudy, with a low around 36.
Sunday
A chance of showers. Patchy fog. Otherwise, mostly cloudy, with a high near 46.
Sunday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 35.
Monday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 45.
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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:
4:13 pm AKDT Apr 13, 2026
Forecast Valid:
3am AKDT Apr 14, 2026-6pm AKDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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