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.

Overcast

45°F

7°C

Humidity 87%
Wind Speed Calm
Barometer 29.86 in (1011.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 29 Jan 2:56 pm AKST
Extended Forecast for

Petersburg AK

  • This Afternoon

    This Afternoon: A 50 percent chance of showers. Cloudy, with a high near 43. Southeast wind around 5 mph.

    High: 43 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 9pm, then rain, mainly after 9pm. Low around 37. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely
    then Rain

  • Friday

    Friday: Rain. High near 43. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 3am. Low around 36. South wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

  • Saturday

    Saturday: A 40 percent chance of rain after 3pm. Cloudy, with a high near 43. South wind around 5 mph.

    High: 43 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 37. Chance of precipitation is 100%.

    Low: 37 °F

    Rain

  • Sunday

    Sunday: Rain. High near 44. Chance of precipitation is 100%.

    High: 44 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain. Cloudy, with a high near 43.

    High: 43 °F

    Rain

Detailed Forecast

This Afternoon
A 50 percent chance of showers. Cloudy, with a high near 43. Southeast wind around 5 mph.
Tonight
A chance of showers before 9pm, then rain, mainly after 9pm. Low around 37. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 43. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain, mainly before 3am. Low around 36. South wind around 5 mph becoming calm. Chance of precipitation is 80%.
Saturday
A 40 percent chance of rain after 3pm. Cloudy, with a high near 43. South wind around 5 mph.
Saturday Night
Rain. Low around 37. Chance of precipitation is 100%.
Sunday
Rain. High near 44. Chance of precipitation is 100%.
Sunday Night
Rain. Cloudy, with a low around 38.
Monday
Rain. Cloudy, with a high near 43.
Monday Night
Rain. Cloudy, with a low around 39.
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.
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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:
2:57 pm AKST Jan 29, 2026
Forecast Valid:
3pm AKST Jan 29, 2026-6pm AKST Feb 4, 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