It is 42°F in Southwest Harbor, ME 04653, observed at 10:56 PM EDT. Tonight: Mostly Clear, low 39°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).
Southwest Harbor, ME 04653 current weather
42°F
Mostly Clear
H -- / L 39°Feels like 38°
No rain expected in the next 12 hours
Observed at Bar Harbor, Hancock County-Bar Harbor Airport (14.1 mi away), 10/28/2026, 10:56 PM EDT
Hourly forecast
NWS, updated 10/28/2026, 6:52 PM PT
Now46°
12 AM45°Thu
1 AM45°
2 AM44°
3 AM43°
4 AM43°
5 AM42°
6 AM41°
7 AM40°
8 AM48°
9 AM51°
10 AM53°
11 AM56°
12 PM57°
1 PM58°
2 PM58°
3 PM59°
4 PM58°
5 PM58°
6 PM56°
7 PM54°
8 PM54°
9 PM54°
10 PM54°
11 PM54°
12 AM54°12%Fri
1 AM54°23%
2 AM53°35%
3 AM53°28%
4 AM53°21%
5 AM53°14%
6 AM52°11%
7 AM52°
8 AM54°
9 AM56°
10 AM59°
11 AM61°
12 PM62°
1 PM63°
2 PM63°
3 PM62°
4 PM60°
5 PM59°
6 PM56°
7 PM52°
8 PM49°
9 PM48°
10 PM47°
7-day forecast
Tap a day for details
Today10/28Low 39°High
Tonight: Mostly clear, with a low around 39. Southwest wind around 7 mph.
Mostly Clear
Thu10/2935% chance of precipitationLow 52°High 60°
Thursday: Sunny, with a high near 60. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Thursday Night: A chance of rain showers between 1am and 5am. Partly cloudy, with a low around 52. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunny
Fri10/3011% chance of precipitationLow 36°High 64°
Friday: Sunny, with a high near 64. West wind 7 to 12 mph, with gusts as high as 22 mph.
Friday Night: Mostly clear, with a low around 36. Northwest wind around 12 mph, with gusts as high as 22 mph.
Sunny
Sat10/31Low 34°High 50°
Saturday: Sunny, with a high near 50. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Saturday Night: Clear, with a low around 34. Northwest wind 3 to 7 mph.
Sunny
Sun11/1Low 42°High 53°
Sunday: Sunny, with a high near 53.
Sunday Night: Mostly clear, with a low around 42.
Sunny
Mon11/210% chance of precipitationLow 41°High 56°
Monday: Mostly sunny, with a high near 56.
Monday Night: Partly cloudy, with a low around 41.
Mostly Sunny
Tue11/314% chance of precipitationLow 41°High 53°
Tuesday: Mostly sunny, with a high near 53.
Tuesday Night: Partly cloudy, with a low around 41.
Mostly Sunny
Wed11/421% chance of precipitationLow High 54°
Wednesday: A slight chance of rain. Mostly sunny, with a high near 54.
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