S
M
T
W
T
F
S
26
81°
60°
27
82°
63°
28
80°
60°
29
81°
60°
30
83°
67°
31
88°
66°
1
88°
67°
2
89°
67°
3
88°
66°
4
88°
59°
5
81°
58°
6
80°
57°
7
80°
57°
8
81°
58°
9
80°
57°
10
81°
62°
11
83°
63°
12
85°
64°
13
87°
65°
14
86°
66°
15
88°
61°
16
87°
58°
17
80°
58°
18
80°
59°
19
83°
60°
20
80°
58°
21
79°
59°
22
82°
58°
23
84°
64°
24
86°
65°
25
80°
57°
26
81°
57°
27
82°
64°
28
78°
63°
29
86°
64°
30
87°
64°
31
85°
62°
1
83°
63°
2
84°
59°
3
81°
60°
4
77°
63°
5
82°
63°
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 77° to 89°, with overnight lows between 57° and 67°. The average high for August is 83° with an average low of 61°. 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.
