Southwest Harbor, ME Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Thu Oct 22	Partly Cloudy Close Hourly	-º / 36º	1%	N 16 mph	66%
7pm	Partly Cloudy	52º	1%	N 14 mph	62%
8pm	Partly Cloudy	50º	1%	N 15 mph	65%
9pm	Partly Cloudy	48º	1%	N 16 mph	65%
10pm	Partly Cloudy	46º	1%	N 16 mph	68%
11pm	Mostly Clear	45º	1%	N 16 mph	67%
Fri Oct 23	Sunny View Hourly	52º / 33º	1%	N 17 mph	54%
12am	Clear	45º	0%	N 15 mph	66%
1am	Clear	43º	1%	N 15 mph	67%
2am	Clear	42º	1%	N 15 mph	67%
3am	Clear	41º	1%	N 15 mph	66%
4am	Clear	39º	1%	N 16 mph	68%
5am	Clear	39º	1%	N 16 mph	66%
6am	Clear	38º	1%	N 16 mph	67%
7am	Sunny	37º	1%	N 15 mph	69%
8am	Sunny	40º	1%	N 15 mph	68%
9am	Sunny	41º	1%	N 17 mph	63%
10am	Sunny	43º	0%	N 17 mph	61%
11am	Sunny	45º	0%	N 17 mph	56%
12pm	Sunny	47º	0%	N 16 mph	52%
1pm	Sunny	48º	0%	N 16 mph	49%
2pm	Sunny	50º	0%	N 16 mph	47%
3pm	Sunny	50º	0%	N 15 mph	46%
4pm	Sunny	50º	0%	N 14 mph	44%
5pm	Sunny	49º	0%	N 12 mph	47%
6pm	Clear	47º	0%	N 9 mph	51%
7pm	Clear	45º	0%	N 8 mph	57%
8pm	Clear	43º	0%	N 8 mph	62%
9pm	Clear	42º	0%	N 7 mph	64%
10pm	Clear	41º	1%	N 7 mph	66%
11pm	Clear	40º	1%	N 7 mph	69%
Sat Oct 24	Sunny View Hourly	55º / 37º	3%	NW 8 mph	55%
12am	Clear	39º	2%	N 6 mph	71%
1am	Clear	37º	2%	N 6 mph	74%
2am	Clear	36º	2%	NNW 7 mph	76%
3am	Clear	36º	3%	NNW 6 mph	77%
4am	Clear	35º	3%	NNW 7 mph	77%
5am	Clear	34º	3%	NNW 6 mph	79%
6am	Clear	34º	3%	NNW 6 mph	79%
7am	Sunny	34º	3%	NNW 6 mph	78%
8am	Sunny	37º	2%	NNW 5 mph	78%
9am	Sunny	40º	1%	NNW 7 mph	70%
10am	Sunny	43º	0%	NNW 7 mph	63%
11am	Sunny	46º	0%	NNW 7 mph	54%
12pm	Sunny	49º	0%	NNW 8 mph	48%
1pm	Sunny	51º	0%	NW 8 mph	44%
2pm	Sunny	53º	0%	NW 8 mph	43%
3pm	Sunny	54º	0%	NW 8 mph	42%
4pm	Sunny	54º	0%	NW 7 mph	43%
5pm	Sunny	52º	0%	NW 5 mph	48%
6pm	Clear	50º	0%	NW 3 mph	53%
Sun Oct 25	Sunny	57º / 44º	4%	WSW 9 mph	66%
Mon Oct 26	Mostly Sunny	60º / 38º	6%	WSW 9 mph	71%
Tue Oct 27	Sunny	49º / 35º	1%	NNW 12 mph	50%
Wed Oct 28	Mostly Sunny	49º / 43º	2%	W 8 mph	60%
Thu Oct 29	Partly Cloudy	56º / 47º	6%	SW 12 mph	71%

Buoy Data
For Southwest Harbor, ME
Wind Forecast
In Southwest Harbor, ME
Radar
In Southwest Harbor, ME
Marine Forecast
In Southwest Harbor, ME

NOAA Weather Marine Forecast for Southwest Harbor, ME

Tonight

Low : 40ºF
N wind 12 to 14 kt, with gusts as high as 25 kt. Mostly clear. Seas around 1 ft.

Friday

High : 50ºF
N wind 11 to 14 kt, with gusts as high as 25 kt. Sunny. Seas around 1 ft.

Friday Night

Low : 35ºF
N wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas around 1 ft.

Saturday

High : 52ºF
Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Sunny. Seas around 1 ft.

Saturday Night

Low : 39ºF
Variable winds 5 kt or less. Clear. Seas around 1 ft.

Sunday

High : 55ºF
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

Low : 44ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Monday

High : 58ºF
Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

Low : 39ºF
Variable winds less than 5 kt becoming N around 6 kt after midnight. Partly cloudy. Seas 1 ft or less.

Current Weather Conditions In Southwest Harbor, ME

As Of: 3 minutes ago

Temperature: 52ºF
Feels Like: 47ºF

Wind Speed: 14mph
Direction: 0º (N)
Gusts: 24mph

Cloud Cover: Partly Cloudy
Visibility: 10mi

Pressure: 29.96"
Humidity: 62%
Dew Point: 0ºF

The weather right now in Southwest Harbor, ME is Partly Cloudy. The current temperature is 52°F, and the expected high and low for today, Thursday, October 22, 2026, are -° high temperature and 36°F low temperature. The wind is currently blowing at 14 miles per hour, and coming from the North. The wind is gusting to 24 mph. With the wind and the atmosphere the temperature feels like 47° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 62 percent, and air pressure at 29.96 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).