S
M
T
W
T
F
S
26
87°
64°
27
76°
55°
28
78°
51°
29
89°
63°
30
84°
68°
1
73°
62°
2
64°
55°
3
74°
50°
4
81°
50°
5
85°
54°
6
90°
60°
7
81°
67°
8
76°
62°
9
72°
62°
10
86°
64°
11
88°
64°
12
72°
61°
13
77°
59°
14
84°
55°
15
83°
58°
16
89°
67°
17
91°
67°
18
90°
65°
19
93°
67°
20
92°
68°
21
91°
67°
22
86°
69°
23
89°
68°
24
85°
68°
25
87°
66°
26
87°
67°
27
88°
70°
28
89°
66°
29
90°
67°
30
91°
67°
31
90°
66°
1
90°
67°
2
89°
67°
3
91°
68°
4
91°
68°
5
89°
67°
6
90°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lyons
Lyons's May 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 55° and 70°. The average high for May is 89° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lyons. See also: June | July | August.
