Southwest Harbor, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    60% Chance Rain Showers
    59°
    Forecast night icon
    Night
    70% Chance Rain Showers
    48°
    Saturday 5/18
    Day
    59°
    60% Chance Rain Showers
    Forecast day icon
    Night
    48°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Isolated showers this morning then numerous showers this afternoon. Highs around 60. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 60 percent.
    Night Details
    Numerous showers. Lows in the upper 40s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    48°
    Sunday 5/19
    Day
    58°
    30% Chance Rain Showers
    Forecast day icon
    Night
    48°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning. Highs in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. Lows in the upper 40s. East winds around 5 mph in the evening becoming light and variable.
  • Forecast day icon
    Monday
    Partly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Monday 5/20
    Day
    63°
    Partly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 60s. Southeast winds around 5 mph becoming south in the afternoon.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Tuesday 5/21
    Day
    63°
    Partly Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Wednesday
    Partly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 5/22
    Day
    67°
    Partly Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. Highs in the lower 70s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    Partly Sunny
    65°
    Forecast night icon
    Night
    30% Chance Rain Showers
    52°
    Thursday 5/23
    Day
    65°
    Partly Sunny
    Forecast day icon
    Night
    52°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Friday 5/24
    Day
    65°
    30% Chance Rain Showers
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 43F with an average humidity of 71%. Winds will be 5 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Saturday 5/25
    Day
    62°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 62F. Dew point will be around 44F with an average humidity of 58%. Winds will be 4 mph from the W.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 44F with an average humidity of 78%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    61°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Sunday 5/26
    Day
    61°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 61F. Dew point will be around 47F with an average humidity of 69%. Winds will be 3 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 45F with an average humidity of 82%. Winds will be 3 mph from the S.
  • Forecast day icon
    Monday
    30% Chance of Rain
    59°
    Forecast night icon
    Night
    40% Chance of Rain
    49°
    Monday 5/27
    Day
    59°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 59F. Dew point will be around 49F with an average humidity of 77%. Winds will be 4 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 47F with an average humidity of 87%. Winds will be 3 mph from the S.