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

42°F

6°C

Humidity 96%
Wind Speed Calm
Barometer 30.00 in (1016.1 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Apr 7:56 pm AKDT
Extended Forecast for

Petersburg AK

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 47. Calm wind becoming north around 5 mph.

    High: 47 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 50 percent chance of showers. Areas of fog before 7am. Otherwise, partly sunny, with a high near 47. Calm wind becoming west around 5 mph.

    High: 47 °F

    Chance
    Showers and
    Areas Fog

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 10pm. Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

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

    High: 51 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph.
Monday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 47. Calm wind becoming north around 5 mph.
Monday Night
A 20 percent chance of showers after 1am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers. Areas of fog before 7am. Otherwise, partly sunny, with a high near 47. Calm wind becoming west around 5 mph.
Tuesday Night
A 40 percent chance of rain before 10pm. Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Patchy fog after 1am. Otherwise, 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 37.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 55.
Friday Night
Areas of fog. Otherwise, partly cloudy, with a low around 38.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly sunny, with a high near 56.
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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:
7:50 pm AKDT Apr 19, 2026
Forecast Valid:
8pm AKDT Apr 19, 2026-6pm AKDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation