S
M
T
W
T
F
S
26
94°
75°
27
94°
75°
28
95°
76°
29
92°
75°
30
92°
74°
31
92°
74°
1
91°
72°
2
89°
71°
3
83°
71°
4
83°
70°
5
84°
72°
6
90°
74°
7
92°
74°
8
92°
73°
9
91°
74°
10
88°
73°
11
90°
72°
12
89°
72°
13
90°
73°
14
92°
73°
15
93°
72°
16
92°
68°
17
91°
69°
18
90°
65°
19
83°
63°
20
83°
62°
21
82°
62°
22
82°
63°
23
89°
62°
24
84°
68°
25
89°
69°
26
91°
69°
27
91°
70°
28
90°
71°
29
91°
68°
30
90°
67°
31
88°
67°
1
89°
62°
2
84°
59°
3
79°
64°
4
86°
68°
5
87°
67°
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 79° to 95°, with overnight lows between 59° and 76°. The average high for August is 89° with an average low of 69°. 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.