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.

Light Rain

43°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 30.03 in (1017.2 mb)
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Last update 20 Apr 2:56 pm AKDT
Extended Forecast for

Petersburg AK

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. East wind around 5 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow showers after 4am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy
    then Chance
    Snow Showers
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of rain and snow showers before 7am, then a chance of rain showers. Patchy fog before 7am. Otherwise, partly sunny, with a high near 47. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance
    Rain/Snow and
    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers between 10pm and 4am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 36. Northwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 48. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. East wind around 5 mph.
Tonight
A 30 percent chance of snow showers after 4am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.
Tuesday
A chance of rain and snow showers before 7am, then a chance of rain showers. Patchy fog before 7am. Otherwise, partly sunny, with a high near 47. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers between 10pm and 4am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 36. Northwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 48. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 51.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 36.
Friday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 54.
Friday Night
Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 37.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Partly sunny, with a high near 53.
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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:
2:29 pm AKDT Apr 20, 2026
Forecast Valid:
3pm AKDT Apr 20, 2026-6pm AKDT Apr 26, 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