S
M
T
W
T
F
S
26
91°
70°
27
92°
70°
28
92°
69°
29
91°
70°
30
92°
71°
31
91°
70°
1
92°
71°
2
93°
72°
3
93°
72°
4
94°
71°
5
93°
72°
6
94°
71°
7
94°
71°
8
92°
70°
9
88°
67°
10
88°
67°
11
91°
70°
12
92°
70°
13
92°
71°
14
93°
70°
15
92°
69°
16
90°
68°
17
91°
64°
18
89°
62°
19
89°
62°
20
91°
65°
21
92°
66°
22
91°
67°
23
89°
66°
24
85°
63°
25
85°
61°
26
84°
62°
27
83°
60°
28
83°
60°
29
84°
61°
30
84°
61°
31
87°
63°
1
89°
64°
2
88°
64°
3
89°
63°
4
89°
58°
5
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Belton
Belton's August 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 58° and 72°. The average high for August is 90° 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 August weather will actually feel in Belton. See also: September | October | November.