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

42°F

6°C

Humidity 95%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 30 Jan 7:56 pm AKST
Extended Forecast for

Petersburg AK

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before midnight. Patchy fog. Otherwise, cloudy, with a low around 36. South wind around 5 mph becoming calm.

    Low: 36 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after 3pm. Areas of fog before noon. Otherwise, partly sunny, with a high near 42. South wind around 5 mph.

    High: 42 °F

    Areas Fog
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain. Patchy fog. Low around 36. South wind around 5 mph becoming east in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain. Patchy fog before 9am. High near 44. East wind around 5 mph. Chance of precipitation is 90%.

    High: 44 °F

    Rain and
    Patchy Fog
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 37. East wind around 5 mph. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain. High near 42. Chance of precipitation is 90%.

    High: 42 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 46.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before midnight. Patchy fog. Otherwise, cloudy, with a low around 36. South wind around 5 mph becoming calm.
Saturday
A 40 percent chance of rain, mainly after 3pm. Areas of fog before noon. Otherwise, partly sunny, with a high near 42. South wind around 5 mph.
Saturday Night
Rain. Patchy fog. Low around 36. South wind around 5 mph becoming east in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. Patchy fog before 9am. High near 44. East wind around 5 mph. Chance of precipitation is 90%.
Sunday Night
Rain. Low around 37. East wind around 5 mph. Chance of precipitation is 90%.
Monday
Rain. High near 42. Chance of precipitation is 90%.
Monday Night
Rain. Low around 39. Chance of precipitation is 100%.
Tuesday
Rain. Cloudy, with a high near 46.
Tuesday Night
Rain. Cloudy, with a low around 40.
Wednesday
Rain. Cloudy, with a high near 46.
Wednesday Night
Rain. Cloudy, with a low around 40.
Thursday
Rain likely. Cloudy, with a high near 46.
Thursday Night
Rain likely. Cloudy, with a low around 40.
Friday
Rain likely. Cloudy, with a high near 46.
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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:
5:28 pm AKST Jan 30, 2026
Forecast Valid:
8pm AKST Jan 30, 2026-6pm AKST Feb 6, 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