S
M
T
W
T
F
S
26
59°
42°
27
73°
38°
28
72°
51°
29
63°
46°
30
51°
36°
1
51°
31°
2
45°
31°
3
59°
27°
4
73°
45°
5
73°
57°
6
57°
45°
7
60°
35°
8
63°
39°
9
67°
47°
10
63°
43°
11
62°
34°
12
68°
35°
13
70°
47°
14
52°
42°
15
66°
38°
16
70°
47°
17
84°
56°
18
89°
59°
19
86°
67°
20
71°
49°
21
66°
48°
22
65°
51°
23
64°
54°
24
74°
63°
25
78°
62°
26
79°
64°
27
77°
58°
28
80°
55°
29
76°
54°
30
71°
55°
31
72°
56°
1
75°
56°
2
74°
59°
3
74°
60°
4
75°
58°
5
77°
56°
6
72°
59°
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 64° to 80°, with overnight lows between 54° and 64°. The average high for May is 75° 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.