Weather forecast for: Southwest Harbor ME
Last Update: 7:19 pm EDT Sep 24, 2026
Overnight: Mostly cloudy, with a low around 49. Northeast wind 3 to 5 mph.
Friday: Mostly cloudy, with a high near 69. Northeast wind 9 to 13 mph, with gusts as high as 23 mph.
Friday Night: A chance of rain, mainly after midnight. Cloudy, with a low around 52. Northeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 63. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night: Rain likely. Cloudy, with a low around 54. Northeast wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday: Rain likely. Mostly cloudy, with a high near 62. Breezy, with a northeast wind 20 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night: Showers likely. Cloudy, with a low around 51. Northeast wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Monday: Showers, with thunderstorms also possible after 2pm. High near 61. Chance of precipitation is 80%.
Monday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 52. Chance of precipitation is 70%.
Tuesday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Tuesday Night: Mostly cloudy, with a low around 50.
Wednesday: Mostly sunny, with a high near 64.
Wednesday Night: Partly cloudy, with a low around 51.
Thursday: Partly sunny, with a high near 66.
WeatherWorld.com
