Southwest Harbor, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    39°
    Saturday 4/27
    Forecast night icon
    39°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Lows in the upper 30s. South winds 10 to 15 mph with gusts up to 25 mph diminishing to around 5 mph after midnight.
  • Forecast day icon
    Sunday
    Partly Sunny
    52°
    Forecast night icon
    Night
    30% Chance Rain Showers
    42°
    Sunday 4/28
    Day
    52°
    Partly Sunny
    Forecast day icon
    Night
    42°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 50s. South winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Mostly cloudy. A chance of showers in the evening. Lows in the lower 40s. South winds 5 to 10 mph becoming southwest after midnight. Chance of rain 30 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Clear
    39°
    Monday 4/29
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    39°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Clear. Lows in the upper 30s. North winds 10 to 15 mph.
  • Forecast day icon
    Tuesday
    Partly Sunny
    55°
    Forecast night icon
    Night
    50% Chance Rain Showers
    40°
    Tuesday 4/30
    Day
    55°
    Partly Sunny
    Forecast day icon
    Night
    40°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then becoming partly sunny. Highs in the mid 50s.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Lows in the upper 30s.
  • Forecast day icon
    Wednesday
    Partly Sunny
    54°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Wednesday 5/1
    Day
    54°
    Partly Sunny
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 50s.
    Night Details
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Thursday
    Partly Sunny
    55°
    Forecast night icon
    Night
    30% Chance Rain Showers
    42°
    Thursday 5/2
    Day
    55°
    Partly Sunny
    Forecast day icon
    Night
    42°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the lower 40s. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    59°
    Forecast night icon
    Night
    30% Chance Rain Showers
    46°
    Friday 5/3
    Day
    59°
    50% Chance Rain Showers
    Forecast day icon
    Night
    46°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the lower 40s. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Saturday 5/4
    Day
    58°
    50% Chance Rain Showers
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs in the mid 50s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 47F. Dew point will be around 47F with an average humidity of 92%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Sunday
    Cloudy
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Sunday 5/5
    Day
    58°
    Cloudy
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Cloudy. High temperature around 58F. Dew point will be around 47F with an average humidity of 75%. Winds will be 5 mph from the SW.
    Night Details
    Mostly cloudy. Low temperature around 46F. Dew point will be around 44F with an average humidity of 85%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Monday
    30% Chance of Rain
    53°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Monday 5/6
    Day
    53°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 53F. Dew point will be around 44F with an average humidity of 75%. Winds will be 3 mph from the SW.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 44F. Dew point will be around 42F with an average humidity of 87%. Winds will be 4 mph from the SW.