S
M
T
W
T
F
S
26
58°
47°
27
67°
40°
28
65°
40°
29
66°
53°
30
72°
47°
1
68°
37°
2
58°
46°
3
63°
36°
4
77°
40°
5
83°
57°
6
71°
62°
7
67°
43°
8
71°
41°
9
77°
46°
10
84°
50°
11
64°
39°
12
72°
36°
13
77°
44°
14
66°
46°
15
73°
45°
16
86°
46°
17
91°
62°
18
94°
69°
19
94°
69°
20
95°
69°
21
87°
56°
22
58°
53°
23
59°
52°
24
72°
56°
25
81°
65°
26
80°
70°
27
86°
66°
28
85°
55°
29
80°
62°
30
82°
53°
31
79°
52°
1
79°
51°
2
77°
54°
3
79°
55°
4
82°
53°
5
86°
60°
6
85°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clinton
Clinton's May 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 51° and 70°. The average high for May is 82° 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 Clinton. See also: June | July | August.