Petersburg, Alaska | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Rain Showers
    42°
    Friday 5/17
    Forecast night icon
    42°
    Rain Showers
    Hourly
    Night Details
    Mostly cloudy. Scattered rain showers. Lows in the lower 40s. West winds around 10 mph.
  • Forecast day icon
    Saturday
    Chance of Rain Showers
    51°
    Forecast night icon
    Night
    Chance of Rain
    41°
    Saturday 5/18
    Day
    51°
    Chance of Rain Showers
    Forecast day icon
    Night
    41°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Isolated rain showers in the morning. Highs in the mid 50s. Southwest winds around 10 mph.
    Night Details
    Partly cloudy. Slight chance of rain late. Lows in the lower 40s. Light winds.
  • Forecast day icon
    Sunday
    Chance of Rain
    48°
    Forecast night icon
    Night
    Chance of Rain
    42°
    Sunday 5/19
    Day
    48°
    Chance of Rain
    Forecast day icon
    Night
    42°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Increasing clouds. Slight chance of rain in the morning then rain likely in the afternoon. Highs in the mid 50s. Southeast winds around 10 mph.
    Night Details
    Cloudy. Rain likely in the evening then chance of rain late. Lows in the lower 40s. Light winds.
  • Forecast day icon
    Monday
    Chance of Rain
    49°
    Forecast night icon
    Night
    Chance of Rain
    38°
    Monday 5/20
    Day
    49°
    Chance of Rain
    Forecast day icon
    Night
    38°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain. Highs in the mid 50s.
    Night Details
    Mostly cloudy. Chance of rain. Lows in the lower 40s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    55°
    Forecast night icon
    Night
    Mostly Clear
    40°
    Tuesday 5/21
    Day
    55°
    Partly Cloudy
    Forecast day icon
    Night
    40°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 60s.
    Night Details
    Mostly clear. Lows in the mid 40s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    61°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Wednesday 5/22
    Day
    61°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 60s.
    Night Details
    Partly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Thursday 5/23
    Day
    58°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 60s.
    Night Details
    Mostly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Friday
    Mostly Cloudy
    59°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Friday 5/24
    Day
    59°
    Mostly Cloudy
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. Highs in the lower 60s.
    Night Details
    Partly cloudy. Low temperature around 45F. Dew point will be around 44F with an average humidity of 86%. Winds will be 2 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    57°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Saturday 5/25
    Day
    57°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 57F. Dew point will be around 45F with an average humidity of 73%. Winds will be 2 mph from the S.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 43F with an average humidity of 88%. Winds will be 2 mph from the S.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    56°
    Forecast night icon
    Night
    40% Chance of Rain
    45°
    Sunday 5/26
    Day
    56°
    40% Chance of Rain
    Forecast day icon
    Night
    45°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 56F. Dew point will be around 45F with an average humidity of 76%. Winds will be 2 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 45F. Dew point will be around 44F with an average humidity of 88%. Winds will be 1 mph from the S.