S
M
T
W
T
F
S
27
75°
54°
28
75°
53°
29
74°
52°
30
72°
52°
1
72°
51°
2
73°
52°
3
73°
52°
4
71°
50°
5
70°
50°
6
70°
49°
7
69°
50°
8
70°
50°
9
70°
49°
10
69°
50°
11
70°
49°
12
64°
42°
13
63°
46°
14
59°
46°
15
57°
43°
16
59°
46°
17
57°
45°
18
65°
40°
19
61°
35°
20
52°
34°
21
52°
39°
22
55°
35°
23
54°
39°
24
56°
44°
25
59°
43°
26
57°
34°
27
55°
31°
28
50°
30°
29
48°
35°
30
49°
33°
31
48°
29°
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 48° to 75°, with overnight lows between 29° and 54°. The average high for October is 63° 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 South Lyon. See also: November | December | January.
