S
M
T
W
T
F
S
26
94°
74°
27
95°
73°
28
99°
77°
29
94°
71°
30
96°
71°
31
96°
72°
1
90°
73°
2
88°
72°
3
87°
71°
4
89°
73°
5
93°
73°
6
91°
72°
7
92°
73°
8
91°
72°
9
90°
73°
10
88°
72°
11
89°
72°
12
88°
72°
13
88°
73°
14
92°
73°
15
92°
72°
16
89°
72°
17
89°
71°
18
91°
72°
19
89°
72°
20
90°
71°
21
88°
72°
22
87°
71°
23
88°
72°
24
91°
72°
25
92°
71°
26
91°
72°
27
91°
72°
28
92°
71°
29
92°
72°
30
91°
72°
31
92°
71°
1
92°
71°
2
91°
70°
3
87°
70°
4
87°
69°
5
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lyons
Lyons's August 2026 forecast shows daily high temperatures ranging from 87° to 99°, with overnight lows between 69° and 77°. The average high for August is 91° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lyons. See also: September | October | November.
