National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong northerly outflow winds and dropping temperatures will bring significant cold weather impacts to southeast Alaska through Sunday.

Widespread strong, northerly and cold outflow winds with freezing spray over the marine areas expected through Sunday for the northern 2/3rds of the Alaska Panhandle. See our latest forecast discussion for more information. Read More >

Current conditions at

Petersburg (PAPG)

Lat: 56.8°NLon: 132.95°WElev: 71ft.

18°F

-8°C

Humidity 88%
Wind Speed Vrbl 3 mph
Barometer 30.10 in (1019.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 21 Feb 11:56 pm AKST
Extended Forecast for

4 Miles ESE Port Protection AK

  • Overnight

    Overnight: Mostly clear, with a low around 16. Northeast wind around 10 mph.

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 26. Northeast wind around 10 mph.

    High: 26 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of snow showers between 9pm and 3am. Mostly cloudy, with a low around 19. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Partly sunny, with a high near 33. Northeast wind around 5 mph becoming calm.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely after 3am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 60%.

    Low: 26 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow. High near 38. Chance of precipitation is 100%.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 3am, then rain and snow. Low around 32. Chance of precipitation is 100%.

    Low: 32 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 3pm. Cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow. Cloudy, with a low around 26.

    Low: 26 °F

    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 16. Northeast wind around 10 mph.
Sunday
Increasing clouds, with a high near 26. Northeast wind around 10 mph.
Sunday Night
A slight chance of snow showers between 9pm and 3am. Mostly cloudy, with a low around 19. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 33. Northeast wind around 5 mph becoming calm.
Monday Night
Snow likely after 3am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 60%.
Tuesday
Rain and snow. High near 38. Chance of precipitation is 100%.
Tuesday Night
Rain before 3am, then rain and snow. Low around 32. Chance of precipitation is 100%.
Wednesday
Rain and snow, becoming all snow after 3pm. Cloudy, with a high near 39.
Wednesday Night
Snow. Cloudy, with a low around 26.
Thursday
Snow. Cloudy, with a high near 33.
Thursday Night
Snow likely. Mostly cloudy, with a low around 22.
Friday
Snow likely. Mostly cloudy, with a high near 31.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20.
Saturday
Snow likely. Mostly cloudy, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Port Protection AK
 56.29°N 133.48°W (Elev. 226 ft)
Last Update:
4:45 pm AKST Feb 21, 2026
Forecast Valid:
12am AKST Feb 22, 2026-6pm AKST Feb 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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