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
79°
50°
8
70°
48°
9
69°
58°
10
79°
59°
11
73°
58°
12
73°
55°
13
63°
49°
14
59°
46°
15
61°
45°
16
57°
43°
17
58°
47°
18
59°
46°
19
62°
47°
20
61°
43°
21
55°
47°
22
58°
44°
23
53°
41°
24
58°
45°
25
62°
47°
26
62°
41°
27
61°
38°
28
51°
34°
29
50°
43°
30
54°
41°
31
61°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Long Grove
Long Grove's October 2026 forecast shows daily high temperatures ranging from 50° to 79°, with overnight lows between 34° and 59°. 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 Long Grove. See also: November | December | January.
