S
M
T
W
T
F
S
27
69°
40°
28
72°
46°
29
74°
46°
30
64°
59°
1
70°
61°
2
62°
45°
3
66°
41°
4
67°
46°
5
63°
42°
6
69°
39°
7
69°
56°
8
66°
44°
9
67°
45°
10
77°
54°
11
71°
51°
12
82°
55°
13
79°
58°
14
63°
53°
15
65°
51°
16
62°
40°
17
52°
32°
18
60°
37°
19
63°
37°
20
68°
37°
21
67°
41°
22
70°
40°
23
70°
41°
24
67°
43°
25
69°
46°
26
65°
45°
27
65°
46°
28
72°
49°
29
67°
46°
30
60°
46°
31
57°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Allegan
Allegan's October 2026 forecast shows daily high temperatures ranging from 57° to 60°, with overnight lows between 46° and 48°. The average high for October is 59° with an average low of 47°. 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 Allegan. See also: November | December | January.
