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.

Partly Cloudy

42°F

6°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.46 in (998.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Oct 8:56 pm AKDT
Extended Forecast for

Petersburg AK

  • Tonight

    Tonight: A 30 percent chance of showers before 10pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming northwest in the evening.

    Low: 39 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog between 7am and 10am. Otherwise, mostly sunny, with a high near 48. North wind around 5 mph.

    High: 48 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Rain. Low around 42. East wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain before 7am, then showers after 7am. High near 48. East wind around 10 mph. Chance of precipitation is 100%.

    High: 48 °F

    Rain

  • Monday Night

    Monday Night: Showers. Low around 43. East wind 5 to 10 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Showers

  • Tuesday

    Tuesday: Showers. High near 47. Chance of precipitation is 100%.

    High: 47 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 42. Chance of precipitation is 100%.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Showers. Cloudy, with a high near 48.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Cloudy, with a low around 42.

    Low: 42 °F

    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers before 10pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming northwest in the evening.
Sunday
Areas of fog between 7am and 10am. Otherwise, mostly sunny, with a high near 48. North wind around 5 mph.
Sunday Night
Rain. Low around 42. East wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain before 7am, then showers after 7am. High near 48. East wind around 10 mph. Chance of precipitation is 100%.
Monday Night
Showers. Low around 43. East wind 5 to 10 mph. Chance of precipitation is 100%.
Tuesday
Showers. High near 47. Chance of precipitation is 100%.
Tuesday Night
Showers. Low around 42. Chance of precipitation is 100%.
Wednesday
Showers. Cloudy, with a high near 48.
Wednesday Night
Showers. Cloudy, with a low around 42.
Thursday
Rain. Cloudy, with a high near 48.
Thursday Night
Rain. Cloudy, with a low around 41.
Friday
Rain. Cloudy, with a high near 46.
Friday Night
Rain. Cloudy, with a low around 38.
Saturday
Rain likely. Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petersburg AK
 56.82°N 133°W (Elev. 118 ft)
Last Update:
4:37 pm AKDT Oct 18, 2025
Forecast Valid:
9pm AKDT Oct 18, 2025-6pm AKDT Oct 25, 2025
 
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