S
M
T
W
T
F
S
27
73°
45°
28
72°
44°
29
64°
47°
30
66°
51°
1
66°
50°
2
69°
53°
3
73°
53°
4
73°
52°
5
72°
53°
6
71°
53°
7
72°
44°
8
69°
41°
9
59°
42°
10
58°
41°
11
59°
44°
12
59°
49°
13
65°
52°
14
68°
48°
15
70°
44°
16
67°
43°
17
65°
38°
18
56°
41°
19
57°
37°
20
54°
46°
21
54°
46°
22
59°
45°
23
64°
40°
24
55°
35°
25
52°
36°
26
51°
44°
27
52°
35°
28
52°
33°
29
51°
32°
30
47°
34°
31
60°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Waukegan
Waukegan's October 2026 forecast shows daily high temperatures ranging from 47° to 73°, with overnight lows between 32° and 53°. The average high for October is 62° 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 Waukegan. See also: November | December | January.
