S
M
T
W
T
F
S
26
59°
41°
27
69°
38°
28
64°
39°
29
64°
48°
30
61°
48°
1
65°
42°
2
61°
46°
3
61°
44°
4
74°
46°
5
84°
51°
6
70°
55°
7
64°
48°
8
62°
43°
9
65°
49°
10
74°
50°
11
62°
48°
12
68°
40°
13
73°
51°
14
67°
50°
15
67°
49°
16
82°
46°
17
89°
60°
18
93°
63°
19
96°
70°
20
94°
64°
21
64°
54°
22
68°
53°
23
57°
49°
24
58°
50°
25
78°
56°
26
83°
53°
27
84°
67°
28
75°
60°
29
78°
51°
30
67°
49°
31
77°
42°
1
72°
51°
2
77°
46°
3
84°
54°
4
87°
55°
5
91°
56°
6
91°
66°
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 91° to 91°, with overnight lows between 66° and 66°. The average high for May is 91° with an average low of 66°. 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.