S
M
T
W
T
F
S
26
93°
76°
27
98°
70°
28
92°
71°
29
92°
72°
30
95°
74°
31
94°
77°
1
94°
74°
2
95°
71°
3
94°
73°
4
91°
71°
5
92°
70°
6
91°
70°
7
92°
71°
8
92°
72°
9
93°
73°
10
92°
74°
11
93°
76°
12
95°
76°
13
96°
75°
14
95°
74°
15
96°
75°
16
96°
73°
17
93°
72°
18
93°
72°
19
96°
71°
20
96°
70°
21
94°
69°
22
94°
68°
23
93°
71°
24
95°
74°
25
94°
73°
26
95°
70°
27
92°
73°
28
94°
72°
29
92°
73°
30
91°
72°
31
91°
72°
1
93°
69°
2
93°
70°
3
90°
68°
4
90°
65°
5
87°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bonham
Bonham's August 2026 forecast shows daily high temperatures ranging from 87° to 98°, with overnight lows between 64° and 77°. The average high for August is 93° with an average low of 72°. 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 Bonham. See also: September | October | November.