S
M
T
W
T
F
S
26
89°
66°
27
90°
67°
28
89°
66°
29
87°
66°
30
86°
65°
31
90°
66°
1
89°
65°
2
90°
66°
3
90°
64°
4
90°
65°
5
89°
65°
6
85°
64°
7
87°
59°
8
85°
58°
9
85°
59°
10
86°
58°
11
85°
64°
12
89°
64°
13
90°
63°
14
90°
58°
15
85°
57°
16
84°
63°
17
85°
64°
18
86°
58°
19
86°
58°
20
84°
59°
21
86°
58°
22
87°
57°
23
87°
57°
24
86°
58°
25
87°
57°
26
86°
62°
27
88°
63°
28
87°
62°
29
88°
64°
30
88°
62°
31
86°
55°
1
84°
54°
2
81°
56°
3
81°
55°
4
82°
55°
5
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brownsburg
Brownsburg's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 54° and 67°. The average high for August is 87° with an average low of 61°. 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 Brownsburg. See also: September | October | November.
