S
M
T
W
T
F
S
26
90°
72°
27
88°
72°
28
86°
71°
29
86°
72°
30
87°
71°
31
86°
67°
1
86°
67°
2
87°
68°
3
85°
71°
4
86°
70°
5
86°
68°
6
87°
69°
7
86°
71°
8
87°
72°
9
86°
70°
10
91°
70°
11
86°
69°
12
86°
70°
13
87°
67°
14
88°
70°
15
90°
69°
16
90°
70°
17
91°
70°
18
90°
69°
19
90°
64°
20
87°
64°
21
84°
65°
22
84°
63°
23
85°
63°
24
84°
64°
25
84°
64°
26
85°
65°
27
84°
64°
28
84°
64°
29
88°
65°
30
88°
63°
31
85°
67°
1
88°
67°
2
89°
63°
3
83°
62°
4
84°
63°
5
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Boone Trail
Boone Trail's August 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 62° and 72°. The average high for August is 87° 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 Boone Trail. See also: September | October | November.
