Southwest Harbor, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Sunny
    65°
    Forecast night icon
    Night
    Clear
    45°
    Tuesday 5/7
    Day
    65°
    Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 45F with an average humidity of 72%. Winds will be 9 mph from the W.
    Night Details
    Clear. Lows in the lower 40s. Northwest winds 5 to 10 mph becoming north after midnight.
  • Forecast day icon
    Wednesday
    70% Chance of Rain
    53°
    Forecast night icon
    Night
    70% Chance of Rain
    43°
    Wednesday 5/8
    Day
    53°
    70% Chance of Rain
    Forecast day icon
    Night
    43°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then cloudy with rain likely in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
    Night Details
    Rain likely. Lows in the lower 40s. East winds 5 to 10 mph becoming northeast after midnight. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    52°
    Forecast night icon
    Night
    50% Chance Rain Showers
    42°
    Thursday 5/9
    Day
    52°
    30% Chance Rain Showers
    Forecast day icon
    Night
    42°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 30 percent chance of showers. Highs in the lower 50s. Northeast winds 5 to 10 mph.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. Northeast winds 10 to 15 mph.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    50°
    Forecast night icon
    Night
    50% Chance Rain Showers
    42°
    Friday 5/10
    Day
    50°
    50% Chance Rain Showers
    Forecast day icon
    Night
    42°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the lower 50s.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    49°
    Forecast night icon
    Night
    30% Chance Rain Showers
    41°
    Saturday 5/11
    Day
    49°
    50% Chance Rain Showers
    Forecast day icon
    Night
    41°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the lower 50s.
    Night Details
    Partly cloudy with a 30 percent chance of showers. Lows around 40.
  • Forecast day icon
    Sunday
    40% Chance Rain Showers
    52°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Sunday 5/12
    Day
    52°
    40% Chance Rain Showers
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 50s. Chance of rain 40 percent.
    Night Details
    Partly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    53°
    Forecast night icon
    Night
    30% Chance Rain Showers
    44°
    Monday 5/13
    Day
    53°
    30% Chance Rain Showers
    Forecast day icon
    Night
    44°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a 30 percent chance of showers. Lows in the mid 40s.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    57°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Tuesday 5/14
    Day
    57°
    30% Chance Rain Showers
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 47F with an average humidity of 89%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Wednesday 5/15
    Day
    60°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 60F. Dew point will be around 49F with an average humidity of 75%. 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 49F. Dew point will be around 47F with an average humidity of 85%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    61°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Thursday 5/16
    Day
    61°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 61F. Dew point will be around 49F with an average humidity of 73%. Winds will be 3 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 49F. Dew point will be around 47F with an average humidity of 85%. Winds will be 3 mph from the SW.