Hourly Weather Forecast - Southwest Harbor, ME

12 AM
24°F
20%
10mph
N
Cloudy
Humidity
82%
Feels like
14°F
Dew Point
19°F
1 AM
23°F
20%
9mph
N
Cloudy
Humidity
82%
Feels like
13°F
Dew Point
19°F
2 AM
22°F
10%
9mph
N
Cloudy
Humidity
82%
Feels like
13°F
Dew Point
18°F
3 AM
22°F
10%
9mph
N
Cloudy
Humidity
83%
Feels like
12°F
Dew Point
17°F
4 AM
21°F
10%
9mph
N
Mostly Cloudy
Humidity
84%
Feels like
11°F
Dew Point
17°F
5 AM
21°F
10%
9mph
N
Mostly Cloudy
Humidity
84%
Feels like
11°F
Dew Point
17°F
6 AM
22°F
10%
9mph
N
Partly Cloudy
Humidity
81%
Feels like
12°F
Dew Point
17°F
6:29 AM
7 AM
23°F
0%
8mph
N
Partly Cloudy
Humidity
78%
Feels like
14°F
Dew Point
17°F
8 AM
26°F
0%
8mph
N
Mostly Sunny
Humidity
71%
Feels like
17°F
Dew Point
17°F
9 AM
28°F
0%
7mph
NNW
Sunny
Humidity
65%
Feels like
21°F
Dew Point
18°F
10 AM
31°F
0%
7mph
NNW
Sunny
Humidity
59%
Feels like
24°F
Dew Point
18°F
11 AM
33°F
0%
7mph
NW
Sunny
Humidity
55%
Feels like
27°F
Dew Point
19°F
12 PM
35°F
0%
7mph
NW
Mostly Sunny
Humidity
53%
Feels like
29°F
Dew Point
19°F
1 PM
36°F
0%
7mph
WNW
Mostly Sunny
Humidity
52%
Feels like
30°F
Dew Point
20°F
2 PM
36°F
0%
7mph
WNW
Partly Cloudy
Humidity
52%
Feels like
31°F
Dew Point
20°F
3 PM
36°F
0%
7mph
W
Partly Cloudy
Humidity
54%
Feels like
30°F
Dew Point
21°F
4 PM
35°F
0%
7mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
29°F
Dew Point
22°F
5 PM
34°F
0%
8mph
WSW
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
23°F
6 PM
33°F
0%
8mph
WSW
Partly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
24°F
6:50 PM
7 PM
33°F
0%
8mph
SW
Mostly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
25°F
8 PM
32°F
0%
8mph
SW
Cloudy
Humidity
75%
Feels like
25°F
Dew Point
25°F
9 PM
32°F
0%
8mph
SW
Cloudy
Humidity
78%
Feels like
25°F
Dew Point
26°F
10 PM
32°F
10%
8mph
SW
Cloudy
Humidity
80%
Feels like
25°F
Dew Point
27°F
11 PM
33°F
10%
8mph
SW
Cloudy
Humidity
81%
Feels like
26°F
Dew Point
28°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide