S
M
T
W
T
F
S
26
81°
51°
27
83°
59°
28
78°
63°
29
69°
54°
30
64°
46°
1
63°
43°
2
61°
40°
3
68°
37°
4
82°
52°
5
69°
51°
6
60°
47°
7
65°
46°
8
74°
42°
9
79°
55°
10
74°
58°
11
75°
51°
12
80°
47°
13
78°
56°
14
70°
45°
15
81°
46°
16
83°
69°
17
88°
66°
18
89°
68°
19
90°
69°
20
71°
63°
21
66°
61°
22
69°
61°
23
79°
63°
24
75°
65°
25
78°
64°
26
82°
68°
27
85°
69°
28
87°
66°
29
81°
65°
30
86°
64°
31
83°
62°
1
79°
63°
2
82°
58°
3
82°
61°
4
86°
62°
5
85°
66°
6
90°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Belton
Belton's May 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 58° and 70°. The average high for May is 84° with an average low of 63°. 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 Belton. See also: June | July | August.