S
M
T
W
T
F
S
27
67°
52°
28
70°
52°
29
70°
52°
30
71°
52°
1
71°
52°
2
69°
51°
3
69°
51°
4
68°
50°
5
67°
51°
6
69°
50°
7
68°
49°
8
67°
50°
9
65°
40°
10
66°
41°
11
57°
47°
12
60°
48°
13
64°
39°
14
62°
43°
15
57°
48°
16
61°
48°
17
64°
47°
18
64°
45°
19
63°
45°
20
63°
48°
21
64°
45°
22
65°
44°
23
62°
37°
24
62°
33°
25
52°
37°
26
51°
39°
27
50°
42°
28
55°
40°
29
54°
42°
30
54°
40°
31
56°
37°
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 50° to 71°, with overnight lows between 33° and 52°. The average high for October is 63° with an average low of 45°. 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.
