S
M
T
W
T
F
S
26
67°
56°
27
67°
58°
28
71°
55°
29
71°
56°
30
70°
59°
1
71°
59°
2
67°
59°
3
66°
60°
4
68°
59°
5
68°
58°
6
70°
57°
7
70°
59°
8
70°
60°
9
72°
59°
10
72°
60°
11
70°
58°
12
69°
57°
13
70°
61°
14
70°
60°
15
69°
61°
16
71°
62°
17
70°
60°
18
73°
61°
19
77°
60°
20
81°
63°
21
74°
61°
22
69°
61°
23
69°
62°
24
68°
61°
25
70°
57°
26
68°
58°
27
67°
59°
28
69°
60°
29
71°
59°
30
72°
60°
31
75°
62°
1
77°
63°
2
76°
61°
3
74°
65°
4
73°
64°
5
74°
64°
6
74°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lennox
Lennox's May 2026 forecast shows daily high temperatures ranging from 67° to 77°, with overnight lows between 58° and 65°. The average high for May is 73° with an average low of 62°. 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 Lennox. See also: June | July | August.