S
M
T
W
T
F
S
26
77°
52°
27
79°
54°
28
78°
51°
29
77°
56°
30
76°
54°
31
74°
52°
1
76°
51°
2
77°
51°
3
77°
53°
4
79°
59°
5
84°
59°
6
83°
56°
7
83°
59°
8
84°
52°
9
75°
53°
10
78°
57°
11
80°
53°
12
79°
52°
13
77°
59°
14
81°
58°
15
84°
59°
16
85°
60°
17
84°
58°
18
82°
54°
19
78°
56°
20
76°
49°
21
74°
53°
22
75°
55°
23
77°
58°
24
81°
56°
25
83°
51°
26
82°
58°
27
77°
51°
28
72°
50°
29
72°
51°
30
73°
49°
31
76°
54°
1
74°
51°
2
71°
50°
3
73°
49°
4
71°
49°
5
78°
59°
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 71° to 85°, with overnight lows between 49° and 60°. The average high for August is 78° with an average low of 54°. 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.
