S
M
T
W
T
F
S
26
61°
43°
27
74°
39°
28
73°
51°
29
62°
49°
30
52°
40°
1
53°
36°
2
46°
34°
3
59°
34°
4
72°
49°
5
73°
57°
6
57°
47°
7
61°
37°
8
62°
40°
9
68°
49°
10
64°
48°
11
63°
39°
12
69°
40°
13
68°
48°
14
57°
42°
15
68°
39°
16
72°
51°
17
82°
60°
18
87°
66°
19
87°
65°
20
75°
50°
21
64°
47°
22
64°
52°
23
73°
53°
24
74°
62°
25
75°
58°
26
81°
64°
27
78°
58°
28
79°
52°
29
77°
43°
30
67°
43°
31
74°
52°
1
75°
57°
2
75°
56°
3
76°
62°
4
76°
60°
5
78°
61°
6
79°
65°
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 67° to 81°, with overnight lows between 43° and 65°. The average high for May is 76° with an average low of 57°. 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.