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.

Fair

34°F

1°C

Humidity 44%
Wind Speed NE 9 mph
Barometer 30.16 in (1021.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 21 Feb 2:56 pm AKST
Extended Forecast for

2 Miles ESE Petersburg AK

  • This Afternoon

    This Afternoon: Sunny, with a high near 30. Northeast wind around 10 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 14. Northeast wind 10 to 15 mph.

    Low: 14 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Northeast wind around 10 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Northeast wind 5 to 10 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31. Northeast wind 5 to 10 mph becoming light east in the morning.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 3am. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow, mainly after 9am. High near 35. Chance of precipitation is 100%.

    High: 35 °F

    Snow Likely
    then Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm, then rain and snow. Cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. Cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 30. Northeast wind around 10 mph.
Tonight
Clear, with a low around 14. Northeast wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 25. Northeast wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 15. Northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 31. Northeast wind 5 to 10 mph becoming light east in the morning.
Monday Night
A 40 percent chance of snow after 3am. Mostly cloudy, with a low around 20.
Tuesday
Snow, mainly after 9am. High near 35. Chance of precipitation is 100%.
Tuesday Night
Snow before 9pm, then rain and snow. Cloudy, with a low around 28.
Wednesday
Rain and snow. Cloudy, with a high near 37.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Cloudy, with a low around 26.
Thursday
Snow likely. Cloudy, with a high near 31.
Thursday Night
Snow likely. Mostly cloudy, with a low around 18.
Friday
A chance of snow. Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Petersburg AK
 56.8°N 132.9°W (Elev. 49 ft)
Last Update:
8:18 am AKST Feb 21, 2026
Forecast Valid:
3pm AKST Feb 21, 2026-6pm AKST Feb 27, 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