S
M
T
W
T
F
S
28
86°
70°
29
87°
70°
30
85°
71°
1
92°
71°
2
94°
72°
3
94°
72°
4
89°
64°
5
85°
63°
6
85°
63°
7
86°
67°
8
92°
72°
9
92°
72°
10
94°
71°
11
94°
73°
12
93°
73°
13
95°
72°
14
95°
73°
15
90°
72°
16
94°
73°
17
96°
74°
18
97°
74°
19
98°
72°
20
93°
66°
21
90°
66°
22
91°
67°
23
90°
64°
24
89°
63°
25
88°
65°
26
88°
65°
27
89°
66°
28
89°
71°
29
94°
69°
30
93°
69°
31
93°
68°
1
92°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lyons
Lyons's July 2026 forecast shows daily high temperatures ranging from 85° to 98°, with overnight lows between 63° and 74°. The average high for July is 91° with an average low of 69°. 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 Lyons. See also: August | September | October.