S
M
T
W
T
F
S
26
61°
39°
27
70°
39°
28
68°
41°
29
64°
43°
30
54°
46°
1
63°
41°
2
59°
46°
3
55°
41°
4
68°
45°
5
73°
52°
6
63°
49°
7
65°
44°
8
62°
46°
9
57°
47°
10
67°
49°
11
60°
44°
12
62°
43°
13
58°
48°
14
64°
47°
15
66°
54°
16
70°
51°
17
68°
53°
18
66°
52°
19
70°
51°
20
65°
47°
21
66°
48°
22
65°
49°
23
66°
49°
24
67°
52°
25
70°
56°
26
75°
57°
27
70°
56°
28
72°
53°
29
68°
51°
30
72°
58°
31
76°
59°
1
74°
59°
2
73°
58°
3
74°
57°
4
77°
60°
5
78°
60°
6
77°
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 57° to 78°, with overnight lows between 43° and 61°. The average high for May is 68° with an average low of 52°. 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.