S
M
T
W
T
F
S
26
88°
72°
27
89°
73°
28
87°
75°
29
77°
60°
30
66°
59°
1
60°
51°
2
75°
45°
3
80°
50°
4
82°
56°
5
85°
70°
6
75°
55°
7
66°
56°
8
75°
67°
9
89°
69°
10
90°
62°
11
81°
58°
12
86°
63°
13
89°
66°
14
89°
69°
15
86°
68°
16
83°
67°
17
85°
67°
18
86°
69°
19
85°
68°
20
88°
69°
21
85°
64°
22
88°
68°
23
82°
68°
24
82°
67°
25
81°
68°
26
81°
68°
27
82°
67°
28
82°
67°
29
83°
66°
30
83°
66°
31
84°
67°
1
84°
66°
2
85°
66°
3
85°
69°
4
84°
70°
5
85°
71°
6
88°
72°
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 75° to 90°, with overnight lows between 58° and 72°. The average high for May is 85° with an average low of 67°. 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.