Petersburg, Alaska | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Rain
    48°
    Forecast night icon
    Night
    Rain
    42°
    Wednesday 5/8
    Day
    48°
    Rain
    Forecast day icon
    Night
    42°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain. Highs around 50. Southeast winds 10 to 20 mph.
    Night Details
    Rain. Lows in the lower 40s. East winds 10 to 15 mph.
  • Forecast day icon
    Thursday
    Rain
    50°
    Forecast night icon
    Night
    Rain
    45°
    Thursday 5/9
    Day
    50°
    Rain
    Forecast day icon
    Night
    45°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain. Highs in the mid 50s. Southeast winds 10 to 15 mph.
    Night Details
    Rain in the evening then rain likely late. Rain may be heavy at times in the evening. Lows in the mid 40s. South winds around 10 mph.
  • Forecast day icon
    Friday
    Chance of Rain
    52°
    Forecast night icon
    Night
    Mostly Cloudy
    38°
    Friday 5/10
    Day
    52°
    Chance of Rain
    Forecast day icon
    Night
    38°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain. Highs in the mid 50s. South winds around 10 mph.
    Night Details
    Mostly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Saturday
    Chance of Rain
    54°
    Forecast night icon
    Night
    Chance of Rain
    43°
    Saturday 5/11
    Day
    54°
    Chance of Rain
    Forecast day icon
    Night
    43°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain. Highs in the mid 50s.
    Night Details
    Cloudy. Chance of rain. Lows in the lower 40s.
  • Forecast day icon
    Sunday
    Rain
    49°
    Forecast night icon
    Night
    Rain
    41°
    Sunday 5/12
    Day
    49°
    Rain
    Forecast day icon
    Night
    41°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain likely. Highs in the lower 60s.
    Night Details
    Rain. Lows 36 to 44.
  • Forecast day icon
    Monday
    Rain
    48°
    Forecast night icon
    Night
    Rain
    40°
    Monday 5/13
    Day
    48°
    Rain
    Forecast day icon
    Night
    40°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain. Highs 54 to 60.
    Night Details
    Rain. Lows around 40.
  • Forecast day icon
    Tuesday
    Rain
    47°
    Forecast night icon
    Night
    80% Chance of Rain
    39°
    Tuesday 5/14
    Day
    47°
    Rain
    Forecast day icon
    Night
    39°
    80% Chance of Rain
    Forecast night icon
    Day Details
    Rain. Highs in the lower 50s.
    Night Details
    Cloudy with probable rain. Chance of precipitation 75%. Low temperature around 39F. Dew point will be around 38F with an average humidity of 87%. Winds will be 4 mph from the S.
  • Forecast day icon
    Wednesday
    80% Chance of Rain
    50°
    Forecast night icon
    Night
    60% Chance of Rain
    41°
    Wednesday 5/15
    Day
    50°
    80% Chance of Rain
    Forecast day icon
    Night
    41°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with probable rain. Chance of precipitation 80%. High temperature around 50F. Dew point will be around 42F with an average humidity of 79%. Winds will be 1 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 41F. Dew point will be around 38F with an average humidity of 84%. Winds will be 2 mph from the S.
  • Forecast day icon
    Thursday
    60% Chance of Rain
    52°
    Forecast night icon
    Night
    40% Chance of Rain
    41°
    Thursday 5/16
    Day
    52°
    60% Chance of Rain
    Forecast day icon
    Night
    41°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 52F. Dew point will be around 41F with an average humidity of 74%. Winds will be 1 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 41F. Dew point will be around 39F with an average humidity of 83%. Winds will be 1 mph from the SE.
  • Forecast day icon
    Friday
    40% Chance of Rain
    54°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Friday 5/17
    Day
    54°
    40% Chance of Rain
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 54F. Dew point will be around 42F with an average humidity of 71%. Winds will be 1 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 43F. Dew point will be around 39F with an average humidity of 79%. Winds will be 1 mph from the NW.