How is the weather in Southwest Harbor, ME?

At 2:47 AM on Thu, Sep 18, 2025 it is mostly cloudy and 59 degrees Fahrenheit, feeling like 59 degrees.

Southwest Harbor, ME Weather Forecast and Current Conditions (04679)

59°F
Feels Like 59°F

Humidity 99% Dew Point 58°F Wind Calm 0 MPH Barometer 30 in.762.0 mm

Solar Rad 0 w/m2 UV Index 0

Report from 0.7 miles ESE of central Southwest Harbor at 2:47 AM Thu, Sep 18, 2025

Current Weather

59°F
Feels Like 59°F

Humidity 99% Dew Point 58°F Wind Calm 0 MPH Barometer 30 in.762.0 mm

Solar Rad 0 w/m2 UV Index 0

Report from 0.7 miles ESE of central Southwest Harbor at 2:47 AM Thu, Sep 18, 2025

Forecast at a Glance

ThuSep 18

10%

72°

57°

FriSep 19

74°

47°

SatSep 20

68°

44°

SunSep 21

68°

53°

MonSep 22

69°

56°

TueSep 23

20%

75°

56°

WedSep 24

30%

72°

This Date in Weather History

1987 - Early morning thunderstorms in northern Texas produced wind gusts to 65 mph at Sulphur Springs, and 2.50 inches of rain in one hour at Commerce, which caused widespread street flooding. Bonham TX received 4.50 inches of rain which also resulted in widespread street flooding as Pig Branch overflowed its banks.

Southwest Harbor 7 Day Weather Forecast Details

Thursday Sep 18

Day: Areas of fog before 8am. Mostly cloudy, with a high near 72. South wind 1 to 6 mph.

Night: Patchy fog between 8pm and 2am. Mostly cloudy, with a low around 57. West wind around 6 mph.

Friday Sep 19

Day: Sunny, with a high near 74. Northwest wind 6 to 12 mph, with gusts as high as 22 mph.

Night: Mostly clear, with a low around 47. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

Saturday Sep 20

Day: Sunny, with a high near 68. Northwest wind around 9 mph.

Night: Mostly clear, with a low around 44. Northwest wind 2 to 6 mph.

Sunday Sep 21

Day: Sunny, with a high near 68.

Night: Partly cloudy, with a low around 53.

Monday Sep 22

Day: Sunny, with a high near 69.

Night: Partly cloudy, with a low around 56.

Tuesday Sep 23

Day: A slight chance of rain showers after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 20%.

Night: A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

Wednesday Sep 24

Day: A chance of rain showers. Mostly sunny, with a high near 72.

Sun & Moon Monthly

First Light 5:48 AM

Sunrise 6:17 AM

Sunset 6:40 PM

Last Light 7:09 PM

Moonrise 2:35 AM

Moonset 5:33 PM

Moon Phase

Close Tide Stations

Southwest Harbor
(0.7 miles away)

Bass Harbor
(3 miles away)

Mackerel Cove, Swans Island
(9.3 miles away)

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