S
M
T
W
T
F
S
27
66°
54°
28
57°
53°
29
60°
56°
30
62°
53°
1
66°
54°
2
71°
52°
3
64°
44°
4
61°
40°
5
65°
47°
6
57°
43°
7
58°
36°
8
62°
46°
9
62°
42°
10
58°
36°
11
57°
31°
12
64°
42°
13
51°
47°
14
60°
47°
15
57°
42°
16
50°
44°
17
50°
34°
18
49°
32°
19
54°
41°
20
61°
40°
21
57°
41°
22
60°
47°
23
59°
42°
24
58°
46°
25
57°
38°
26
59°
44°
27
57°
37°
28
48°
36°
29
48°
35°
30
49°
42°
31
54°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Bar Harbor
Bar Harbor's October 2026 forecast shows daily high temperatures ranging from 48° to 64°, with overnight lows between 32° and 47°. The average high for October is 55° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Bar Harbor. See also: November | December | January.
