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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 56.81°N 132.95°W (Text-Only)
NWS Forecast for: Petersburg AK
Issued by: National Weather Service Juneau, AK
Last Update: 8:35 pm AKST Dec 4, 2025		Print

  • Tonight

    Tonight: A 20 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Slight Chance
    Rain and
    Patchy Fog


  • Friday

    Friday: A 20 percent chance of rain before 9am. Areas of fog. Otherwise, partly sunny, with a high near 40. Southeast wind around 5 mph.

    High: 40 °F

    Slight Chance
    Rain and
    Areas Fog
    then Areas
    Fog

  • Friday
    Night

    Friday Night: Rain, mainly after midnight. Low around 34. Southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Chance Rain
    then Rain



  • Saturday

    Saturday: Rain. High near 41. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.

    High: 41 °F

    Rain




  • Saturday
    Night

    Saturday Night: Rain. Low around 36. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.

    Low: 36 °F

    Rain




  • Sunday

    Sunday: Rain. The rain could be heavy at times. High near 40. Chance of precipitation is 100%.

    High: 40 °F

    Heavy Rain




  • Sunday
    Night

    Sunday Night: Rain. Low around 33. Chance of precipitation is 100%.

    Low: 33 °F

    Rain




  • Monday

    Monday: Rain. Cloudy, with a high near 40.

    High: 40 °F

    Rain




  • Monday
    Night

    Monday Night: Rain. Cloudy, with a low around 32.

    Low: 32 °F

    Rain




    • Tonight: A 20 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind.

    Friday: A 20 percent chance of rain before 9am. Areas of fog. Otherwise, partly sunny, with a high near 40. Southeast wind around 5 mph.

    Friday Night: Rain, mainly after midnight. Low around 34. Southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Saturday: Rain. High near 41. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.

    Saturday Night: Rain. Low around 36. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.

    Sunday: Rain. The rain could be heavy at times. High near 40. Chance of precipitation is 100%.

    Sunday Night: Rain. Low around 33. Chance of precipitation is 100%.

    Monday: Rain. Cloudy, with a high near 40.

    Monday Night: Rain. Cloudy, with a low around 32.

    Tuesday: Rain. Cloudy, with a high near 39.

    Tuesday Night: Rain and snow. Cloudy, with a low around 31.

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

    Wednesday Night: Rain and snow. Cloudy, with a low around 27.

    Thursday: Rain and snow likely. Cloudy, with a high near 34.


    Petersburg AK
     56.81°N 132.95°W (Elev. 121 ft)

    Visit your local NWS office at: https://www.weather.gov/Juneau