S
M
T
W
T
F
S
27
52°
43°
28
53°
45°
29
50°
42°
30
49°
40°
1
45°
33°
2
55°
35°
3
52°
46°
4
50°
45°
5
51°
45°
6
50°
43°
7
49°
40°
8
48°
35°
9
51°
45°
10
51°
47°
11
51°
42°
12
49°
38°
13
49°
35°
14
53°
43°
15
49°
41°
16
45°
40°
17
41°
36°
18
48°
33°
19
49°
42°
20
44°
37°
21
39°
35°
22
43°
30°
23
45°
30°
24
46°
43°
25
49°
39°
26
51°
42°
27
45°
40°
28
47°
41°
29
48°
45°
30
46°
37°
31
46°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Old Harbor
Old Harbor's October 2026 forecast shows daily high temperatures ranging from 46° to 46°, with overnight lows between 35° and 37°. The average high for October is 46° with an average low of 36°. 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 Old Harbor. See also: November | December | January.
