S
M
T
W
T
F
S
27
63°
47°
28
63°
45°
29
62°
45°
30
62°
41°
1
60°
43°
2
61°
47°
3
68°
50°
4
65°
45°
5
60°
41°
6
58°
38°
7
59°
44°
8
66°
40°
9
57°
38°
10
57°
45°
11
67°
47°
12
60°
47°
13
59°
46°
14
64°
47°
15
65°
48°
16
56°
33°
17
56°
37°
18
57°
42°
19
62°
45°
20
63°
36°
21
60°
37°
22
55°
42°
23
55°
44°
24
57°
32°
25
61°
30°
26
50°
31°
27
49°
33°
28
49°
41°
29
54°
35°
30
55°
43°
31
58°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in South Lyon
South Lyon's October 2026 forecast shows daily high temperatures ranging from 49° to 68°, with overnight lows between 30° and 50°. The average high for October is 59° with an average low of 41°. 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 South Lyon. See also: November | December | January.
