S
M
T
W
T
F
S
26
62°
37°
27
71°
33°
28
64°
34°
29
68°
46°
30
61°
47°
1
65°
35°
2
60°
44°
3
61°
37°
4
74°
33°
5
83°
46°
6
69°
54°
7
66°
43°
8
65°
39°
9
65°
46°
10
77°
48°
11
63°
45°
12
68°
38°
13
75°
43°
14
68°
48°
15
67°
46°
16
82°
41°
17
89°
53°
18
94°
56°
19
96°
61°
20
93°
61°
21
62°
55°
22
70°
53°
23
55°
50°
24
59°
51°
25
76°
56°
26
82°
49°
27
83°
61°
28
76°
51°
29
79°
53°
30
69°
43°
31
73°
50°
1
72°
50°
2
73°
50°
3
77°
55°
4
80°
54°
5
81°
58°
6
80°
57°
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 69° to 83°, with overnight lows between 43° and 61°. The average high for May is 77° with an average low of 53°. 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.
