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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1016.0 mb)
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Last update 19 Apr 8:56 am AKDT
Extended Forecast for

Petersburg AK

  • Today

    Today: A 20 percent chance of rain before 1pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Slight Chance
    Rain and
    Areas Fog

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Calm wind.

    Low: 38 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 4am. Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain before 7am, then a chance of showers after 7am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 47. Calm wind. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers and
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 1pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 48. Calm wind.
Tonight
Increasing clouds, with a low around 38. Calm wind.
Monday
Mostly cloudy, with a high near 48. Calm wind.
Monday Night
A 30 percent chance of rain after 4am. Partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm.
Tuesday
A chance of rain before 7am, then a chance of showers after 7am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 47. Calm wind. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers. Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 35.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 45.
Wednesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 34.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 45.
Thursday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37.
Friday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 54.
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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:
8:52 am AKDT Apr 19, 2026
Forecast Valid:
9am AKDT Apr 19, 2026-6pm AKDT Apr 25, 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