Petersburg, Alaska | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    36°
    Thursday 4/25
    Forecast night icon
    36°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Patchy fog late. Lows 35 to 41. Light winds.
  • Forecast day icon
    Friday
    Partly Cloudy
    58°
    Forecast night icon
    Night
    Increasing Clouds
    40°
    Friday 4/26
    Day
    58°
    Partly Cloudy
    Forecast day icon
    Night
    40°
    Increasing Clouds
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy. Highs 59 to 67. Light winds.
    Night Details
    Increasing clouds. Lows around 40. Light winds.
  • Forecast day icon
    Saturday
    Chance of Rain
    51°
    Forecast night icon
    Night
    Chance of Rain
    40°
    Saturday 4/27
    Day
    51°
    Chance of Rain
    Forecast day icon
    Night
    40°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Cooler. Mostly cloudy. Slight chance of rain. Highs in the lower 50s. Southeast winds around 10 mph.
    Night Details
    Cloudy. Chance of rain in the evening then rain likely late. Lows around 40. Southeast winds around 10 mph.
  • Forecast day icon
    Sunday
    Rain
    47°
    Forecast night icon
    Night
    Rain
    37°
    Sunday 4/28
    Day
    47°
    Rain
    Forecast day icon
    Night
    37°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain likely. Highs in the upper 40s.
    Night Details
    Rain likely. Lows in the upper 30s.
  • Forecast day icon
    Monday
    Chance of Rain
    49°
    Forecast night icon
    Night
    Chance of Rain
    39°
    Monday 4/29
    Day
    49°
    Chance of Rain
    Forecast day icon
    Night
    39°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain. Highs around 50.
    Night Details
    Mostly cloudy. Chance of rain. Lows in the upper 30s.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    50°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Tuesday 4/30
    Day
    50°
    Mostly Cloudy
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower 50s.
    Night Details
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    52°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Wednesday 5/1
    Day
    52°
    Partly Cloudy
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 50s.
    Night Details
    Partly cloudy. Lows around 40.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    53°
    Forecast night icon
    Night
    Clear
    41°
    Thursday 5/2
    Day
    53°
    Mostly Cloudy
    Forecast day icon
    Night
    41°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy. Highs in the upper 50s.
    Night Details
    Clear. Low temperature around 41F. Dew point will be around 38F with an average humidity of 81%. Winds will be 3 mph from the W.
  • Forecast day icon
    Friday
    30% Chance of Rain
    53°
    Forecast night icon
    Night
    30% Chance of Rain
    40°
    Friday 5/3
    Day
    53°
    30% Chance of Rain
    Forecast day icon
    Night
    40°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 53F. Dew point will be around 40F with an average humidity of 69%. Winds will be 2 mph from the SW.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 40F. Dew point will be around 39F with an average humidity of 84%. Winds will be 2 mph from the S.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    50°
    Forecast night icon
    Night
    50% Chance of Rain
    40°
    Saturday 5/4
    Day
    50°
    40% Chance of Rain
    Forecast day icon
    Night
    40°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 50F. Dew point will be around 40F with an average humidity of 73%. Winds will be 4 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 40F. Dew point will be around 39F with an average humidity of 88%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Sunday
    60% Chance of Rain
    50°
    Forecast night icon
    Night
    60% Chance of Rain
    41°
    Sunday 5/5
    Day
    50°
    60% Chance of Rain
    Forecast day icon
    Night
    41°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 50F. Dew point will be around 41F with an average humidity of 78%. Winds will be 4 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 88%. Winds will be 4 mph from the SE.