S
M
T
W
T
F
S
26
77°
58°
27
80°
60°
28
77°
63°
29
71°
60°
30
77°
55°
31
79°
54°
1
78°
59°
2
73°
66°
3
76°
58°
4
80°
51°
5
81°
62°
6
81°
65°
7
78°
62°
8
78°
65°
9
79°
63°
10
76°
62°
11
71°
65°
12
74°
65°
13
75°
65°
14
80°
61°
15
79°
58°
16
78°
67°
17
80°
63°
18
77°
58°
19
75°
55°
20
71°
56°
21
75°
50°
22
78°
52°
23
71°
52°
24
64°
47°
25
73°
55°
26
77°
51°
27
77°
59°
28
76°
46°
29
79°
60°
30
82°
63°
31
79°
66°
1
86°
68°
2
85°
65°
3
80°
59°
4
78°
56°
5
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brookville
Brookville's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 46° and 68°. The average high for August is 80° with an average low of 60°. 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 Brookville. See also: September | October | November.