Hourly Weather Forecast - Southwest Harbor, ME

12 AM
33°F
10%
13mph
SW
Mostly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
26°F
1 AM
33°F
10%
14mph
SW
Partly Cloudy
Humidity
74%
Feels like
23°F
Dew Point
26°F
2 AM
34°F
0%
15mph
SW
Mostly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
26°F
3 AM
34°F
0%
16mph
SW
Cloudy
Humidity
76%
Feels like
24°F
Dew Point
27°F
4 AM
34°F
0%
17mph
SW
Cloudy
Humidity
78%
Feels like
24°F
Dew Point
28°F
5 AM
35°F
0%
17mph
SW
Cloudy
Humidity
79%
Feels like
24°F
Dew Point
29°F
6 AM
35°F
0%
18mph
SW
Mostly Cloudy
Humidity
79%
Feels like
25°F
Dew Point
29°F
7 AM
36°F
0%
18mph
SW
Partly Cloudy
Humidity
80%
Feels like
26°F
Dew Point
31°F
7:03 AM
8 AM
38°F
0%
18mph
SW
Partly Cloudy
Humidity
78%
Feels like
28°F
Dew Point
31°F
9 AM
39°F
0%
19mph
SW
Partly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
31°F
10 AM
39°F
0%
19mph
SW
Mostly Cloudy
Humidity
74%
Feels like
30°F
Dew Point
32°F
11 AM
40°F
0%
19mph
SW
Mostly Cloudy
Humidity
73%
Feels like
30°F
Dew Point
32°F
12 PM
40°F
0%
19mph
SW
Partly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
33°F
1 PM
40°F
10%
18mph
SW
Partly Cloudy
Humidity
78%
Feels like
31°F
Dew Point
34°F
2 PM
39°F
10%
17mph
SW
Partly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
33°F
3 PM
38°F
10%
16mph
WSW
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
32°F
3:55 PM
4 PM
37°F
10%
14mph
WSW
Partly Cloudy
Humidity
80%
Feels like
28°F
Dew Point
31°F
5 PM
36°F
0%
13mph
WSW
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
30°F
6 PM
35°F
0%
12mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
29°F
7 PM
35°F
10%
11mph
WSW
Cloudy
Humidity
75%
Feels like
27°F
Dew Point
28°F
8 PM
35°F
10%
11mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
29°F
9 PM
35°F
10%
11mph
W
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
29°F
10 PM
34°F
10%
10mph
W
Partly Cloudy
Humidity
79%
Feels like
26°F
Dew Point
28°F
11 PM
33°F
10%
9mph
W
Partly Cloudy
Humidity
76%
Feels like
25°F
Dew Point
26°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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