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.

Rain Fog/Mist

38°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 29.65 in (1004.3 mb)
Dewpoint 38°F (3°C)
Visibility 4.00 mi
Last update 7 Mar 9:56 am AKST
Extended Forecast for

Petersburg AK

  • Today

    Today: Rain. High near 39. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 9pm. Low around 29. Southwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Rain/Snow
    then Snow
    Showers

  • Sunday

    Sunday: Snow showers. High near 35. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers. Low around 26. Calm wind. Chance of precipitation is 100%.

    Low: 26 °F

    Snow Showers

  • Monday

    Monday: Snow showers. High near 34. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%.

    High: 34 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers, mainly before 3am, then a chance of snow after 3am. Low around 26. Chance of precipitation is 100%.

    Low: 26 °F

    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday

    Tuesday: Snow, mainly after 9am. High near 35. Chance of precipitation is 80%.

    High: 35 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 3am. Cloudy, with a low around 25.

    Low: 25 °F

    Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Rain. High near 39. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain and snow showers, becoming all snow after 9pm. Low around 29. Southwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers. High near 35. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow showers. Low around 26. Calm wind. Chance of precipitation is 100%.
Monday
Snow showers. High near 34. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%.
Monday Night
Snow showers, mainly before 3am, then a chance of snow after 3am. Low around 26. Chance of precipitation is 100%.
Tuesday
Snow, mainly after 9am. High near 35. Chance of precipitation is 80%.
Tuesday Night
Snow, mainly before 3am. Cloudy, with a low around 25.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 32.
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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:
5:46 am AKST Mar 7, 2026
Forecast Valid:
10am AKST Mar 7, 2026-6pm AKDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation