S
M
T
W
T
F
S
26
61°
31°
27
63°
34°
28
57°
32°
29
44°
39°
30
46°
41°
1
59°
36°
2
50°
30°
3
45°
39°
4
59°
36°
5
58°
45°
6
55°
49°
7
60°
39°
8
57°
38°
9
58°
31°
10
55°
47°
11
61°
45°
12
56°
40°
13
55°
40°
14
64°
46°
15
60°
51°
16
69°
48°
17
80°
52°
18
62°
48°
19
77°
45°
20
87°
55°
21
64°
46°
22
67°
35°
23
63°
37°
24
58°
39°
25
66°
47°
26
78°
59°
27
76°
51°
28
59°
45°
29
56°
45°
30
47°
43°
31
58°
42°
1
64°
42°
2
69°
47°
3
75°
50°
4
76°
52°
5
73°
55°
6
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bar Harbor Town
Bar Harbor Town's May 2026 forecast shows daily high temperatures ranging from 47° to 78°, with overnight lows between 42° and 59°. The average high for May is 67° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Bar Harbor Town. See also: June | July | August.
