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

36°F

2°C

Humidity 89%
Wind Speed Calm
Barometer 29.35 in (994.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 25 Feb 7:56 am AKST
Extended Forecast for

Petersburg AK

  • Today

    Today: Rain and snow showers likely before 9am, then rain showers between 9am and 3pm, then rain and snow showers after 3pm. High near 36. South wind 10 to 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Tonight

    Tonight: Snow showers. Low around 23. Southwest wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers likely. Areas of freezing fog before noon. Partly sunny, with a high near 30. Southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Showers
    Likely and
    Areas
    Freezing Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before 3am. Areas of freezing fog after 3am. Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Chance Snow
    Showers and
    Areas
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 9am. Mostly cloudy, with a high near 30. Calm wind.

    High: 30 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow and
    Patchy Fog

  • Saturday

    Saturday: Snow, mainly after 9am. Patchy fog before 9am. High near 33. Chance of precipitation is 100%.

    High: 33 °F

    Snow Likely
    and Patchy
    Fog then Snow

  • Saturday Night

    Saturday Night: Snow before 3am, then rain and snow likely. Patchy fog after midnight. Otherwise, cloudy, with a low around 27.

    Low: 27 °F

    Snow then
    Rain/Snow and
    Patchy Fog

  • Sunday

    Sunday: Rain and snow. Patchy fog before 9am. Otherwise, cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow and
    Patchy Fog

Detailed Forecast

Today
Rain and snow showers likely before 9am, then rain showers between 9am and 3pm, then rain and snow showers after 3pm. High near 36. South wind 10 to 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers. Low around 23. Southwest wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers likely. Areas of freezing fog before noon. Partly sunny, with a high near 30. Southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 40 percent chance of snow showers before 3am. Areas of freezing fog after 3am. Mostly cloudy, with a low around 18. Calm wind.
Friday
Patchy freezing fog before 9am. Mostly cloudy, with a high near 30. Calm wind.
Friday Night
A 30 percent chance of snow after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 19.
Saturday
Snow, mainly after 9am. Patchy fog before 9am. High near 33. Chance of precipitation is 100%.
Saturday Night
Snow before 3am, then rain and snow likely. Patchy fog after midnight. Otherwise, cloudy, with a low around 27.
Sunday
Rain and snow. Patchy fog before 9am. Otherwise, cloudy, with a high near 37.
Sunday Night
Rain and snow before 9pm, then rain likely between 9pm and 3am, then rain and snow likely after 3am. Cloudy, with a low around 30.
Monday
Rain and snow likely. Cloudy, with a high near 39.
Monday Night
Rain likely. Cloudy, with a low around 31.
Tuesday
Rain. Cloudy, with a high near 41.
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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:
6:29 am AKST Feb 25, 2026
Forecast Valid:
8am AKST Feb 25, 2026-6pm AKST Mar 3, 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