S
M
T
W
T
F
S
27
70°
47°
28
72°
49°
29
78°
51°
30
70°
60°
1
70°
61°
2
66°
49°
3
69°
45°
4
72°
52°
5
66°
45°
6
74°
47°
7
78°
57°
8
71°
48°
9
71°
56°
10
79°
55°
11
73°
55°
12
82°
62°
13
69°
50°
14
59°
53°
15
69°
47°
16
60°
40°
17
54°
40°
18
56°
43°
19
57°
44°
20
57°
43°
21
61°
43°
22
57°
39°
23
51°
38°
24
57°
43°
25
61°
44°
26
60°
38°
27
60°
36°
28
49°
32°
29
49°
40°
30
53°
39°
31
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Island Lake
Island Lake's October 2026 forecast shows daily high temperatures ranging from 49° to 82°, with overnight lows between 32° and 62°. The average high for October is 61° with an average low of 44°. 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 Island Lake. See also: November | December | January.
