S
M
T
W
T
F
S
26
67°
34°
27
73°
35°
28
65°
34°
29
57°
43°
30
46°
43°
1
58°
35°
2
44°
33°
3
53°
39°
4
64°
33°
5
75°
46°
6
63°
49°
7
62°
43°
8
56°
36°
9
60°
32°
10
66°
44°
11
60°
43°
12
57°
37°
13
56°
36°
14
65°
46°
15
61°
52°
16
76°
50°
17
78°
51°
18
67°
46°
19
89°
47°
20
86°
61°
21
65°
47°
22
69°
38°
23
68°
40°
24
58°
43°
25
71°
46°
26
81°
54°
27
81°
56°
28
65°
44°
29
59°
41°
30
55°
38°
31
64°
44°
1
63°
42°
2
63°
46°
3
69°
50°
4
76°
52°
5
75°
57°
6
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Benton
Benton's May 2026 forecast shows daily high temperatures ranging from 55° to 76°, with overnight lows between 38° and 57°. The average high for May is 66° with an average low of 47°. 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 Benton. See also: June | July | August.