S
M
T
W
T
F
S
26
55°
40°
27
52°
41°
28
54°
33°
29
57°
33°
30
55°
35°
1
55°
31°
2
68°
30°
3
72°
49°
4
64°
38°
5
54°
33°
6
56°
25°
7
65°
33°
8
77°
38°
9
64°
39°
10
68°
33°
11
79°
36°
12
75°
51°
13
78°
40°
14
81°
51°
15
89°
44°
16
84°
44°
17
78°
52°
18
55°
46°
19
57°
39°
20
61°
31°
21
69°
45°
22
65°
49°
23
74°
50°
24
83°
57°
25
87°
62°
26
87°
62°
27
82°
62°
28
79°
60°
29
77°
59°
30
73°
53°
31
74°
55°
1
82°
57°
2
81°
58°
3
80°
57°
4
81°
58°
5
77°
54°
6
78°
60°
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 73° to 87°, with overnight lows between 50° and 62°. The average high for May is 80° with an average low of 58°. 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.