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

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in (1016.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Apr 5:56 am AKDT
Extended Forecast for

Petersburg AK

  • Today

    Today: Rain. High near 46. Southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 39. Southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 10am. Cloudy, with a high near 48. Southeast wind around 5 mph becoming southwest in the morning. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Chance Rain
    then Patchy
    Fog

  • Monday

    Monday: Rain likely, mainly after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    and Patchy
    Fog

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain after 10am. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm. Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. High near 46. Southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 39. Southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly before 10am. Cloudy, with a high near 48. Southeast wind around 5 mph becoming southwest in the morning. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Monday
Rain likely, mainly after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind. Chance of precipitation is 60%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of rain after 10am. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain before 10pm. Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 54.
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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:
11:01 pm AKDT Apr 17, 2026
Forecast Valid:
6am AKDT Apr 18, 2026-6pm AKDT Apr 24, 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