S
M
T
W
T
F
S
27
72°
45°
28
65°
52°
29
64°
50°
30
72°
51°
1
69°
50°
2
67°
48°
3
63°
47°
4
66°
49°
5
68°
50°
6
67°
51°
7
70°
40°
8
68°
40°
9
Hist. Avg.
66°
47°
10
Hist. Avg.
65°
47°
11
Hist. Avg.
65°
46°
12
Hist. Avg.
64°
46°
13
Hist. Avg.
64°
46°
14
Hist. Avg.
63°
45°
15
Hist. Avg.
63°
45°
16
Hist. Avg.
62°
44°
17
Hist. Avg.
62°
44°
18
Hist. Avg.
62°
44°
19
Hist. Avg.
61°
43°
20
Hist. Avg.
61°
43°
21
Hist. Avg.
60°
43°
22
Hist. Avg.
60°
42°
23
Hist. Avg.
59°
42°
24
Hist. Avg.
59°
42°
25
Hist. Avg.
58°
41°
26
Hist. Avg.
58°
41°
27
Hist. Avg.
58°
40°
28
Hist. Avg.
57°
40°
29
Hist. Avg.
57°
40°
30
Hist. Avg.
56°
39°
31
Hist. Avg.
56°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Vernon Hills
Vernon Hills's October 2026 forecast shows daily high temperatures ranging from 63° to 72°, with overnight lows between 40° and 52°. The average high for October is 68° with an average low of 48°. 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 Vernon Hills. See also: November | December | January.
