S
M
T
W
T
F
S
27
69°
44°
28
69°
48°
29
72°
47°
30
68°
59°
1
68°
60°
2
64°
45°
3
64°
50°
4
70°
42°
5
64°
43°
6
66°
51°
7
70°
52°
8
73°
54°
9
70°
54°
10
69°
55°
11
70°
49°
12
63°
48°
13
63°
46°
14
64°
50°
15
61°
44°
16
65°
48°
17
66°
48°
18
66°
47°
19
59°
42°
20
53°
40°
21
52°
37°
22
52°
40°
23
61°
47°
24
64°
47°
25
62°
45°
26
53°
42°
27
51°
39°
28
58°
44°
29
56°
41°
30
56°
44°
31
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Gurnee
Gurnee's October 2026 forecast shows daily high temperatures ranging from 51° to 73°, with overnight lows between 37° and 55°. The average high for October is 62° with an average low of 46°. 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 Gurnee. See also: November | December | January.
