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.

Mostly Cloudy

56°F

13°C

Humidity 77%
Wind Speed E 5 mph
Barometer 29.47 in (998.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 1 Sep 1:57 pm AKDT
Extended Forecast for

Petersburg AK

  • This Afternoon

    This Afternoon: A 40 percent chance of showers before 4pm. Cloudy, with a high near 59. East wind around 5 mph.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: Scattered showers after 4am. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before 7am. Mostly sunny, with a high near 63. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.

    High: 63 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers before 4pm. Cloudy, with a high near 59. East wind around 5 mph.
Tonight
Scattered showers after 4am. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before 7am. Mostly sunny, with a high near 63. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 47. North wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 66. Calm wind.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 48.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Mostly cloudy, with a high near 66.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51.
Labor Day
A chance of showers. Mostly cloudy, with a high near 62.
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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:
10:05 am AKDT Sep 1, 2026
Forecast Valid:
2pm AKDT Sep 1, 2026-6pm AKDT Sep 7, 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