S
M
T
W
T
F
S
26
81°
64°
27
83°
64°
28
73°
66°
29
71°
65°
30
75°
64°
31
83°
62°
1
84°
62°
2
76°
66°
3
76°
59°
4
82°
63°
5
85°
68°
6
82°
67°
7
81°
63°
8
82°
65°
9
80°
62°
10
78°
61°
11
76°
62°
12
75°
58°
13
76°
62°
14
75°
61°
15
73°
57°
16
73°
56°
17
81°
62°
18
74°
60°
19
74°
63°
20
75°
58°
21
73°
55°
22
74°
62°
23
81°
63°
24
79°
62°
25
76°
62°
26
77°
61°
27
78°
62°
28
76°
61°
29
77°
62°
30
76°
61°
31
78°
60°
1
76°
56°
2
70°
55°
3
70°
53°
4
71°
55°
5
72°
56°
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 70° to 85°, with overnight lows between 53° and 68°. The average high for August is 77° 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.
