S
M
T
W
T
F
S
28
84°
55°
29
89°
61°
30
93°
67°
1
95°
79°
2
95°
72°
3
88°
70°
4
84°
66°
5
84°
64°
6
81°
61°
7
83°
64°
8
85°
63°
9
84°
64°
10
85°
63°
11
81°
63°
12
82°
62°
13
83°
65°
14
83°
62°
15
82°
59°
16
77°
60°
17
76°
56°
18
79°
61°
19
81°
64°
20
82°
63°
21
84°
64°
22
84°
64°
23
83°
63°
24
83°
63°
25
84°
64°
26
84°
65°
27
85°
65°
28
84°
64°
29
85°
65°
30
84°
64°
31
84°
63°
1
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in South Lyon
South Lyon's July 2026 forecast shows daily high temperatures ranging from 76° to 95°, with overnight lows between 56° and 72°. The average high for July is 83° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in South Lyon. See also: August | September | October.
