S
M
T
W
T
F
S
26
62°
43°
27
74°
41°
28
73°
52°
29
64°
48°
30
51°
36°
1
52°
33°
2
46°
32°
3
60°
33°
4
73°
47°
5
73°
60°
6
60°
48°
7
62°
37°
8
60°
41°
9
67°
49°
10
64°
46°
11
63°
39°
12
69°
39°
13
69°
47°
14
56°
43°
15
68°
37°
16
72°
46°
17
83°
56°
18
90°
68°
19
89°
64°
20
72°
44°
21
64°
51°
22
64°
57°
23
71°
62°
24
75°
59°
25
76°
58°
26
75°
59°
27
76°
60°
28
75°
59°
29
76°
58°
30
78°
57°
31
80°
66°
1
76°
59°
2
76°
60°
3
75°
60°
4
73°
58°
5
71°
55°
6
73°
58°
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 90°, with overnight lows between 44° and 68°. The average high for May is 75° with an average low of 59°. 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.