S
M
T
W
T
F
S
26
86°
71°
27
86°
72°
28
84°
58°
29
82°
60°
30
83°
63°
31
83°
66°
1
87°
67°
2
89°
65°
3
87°
66°
4
90°
68°
5
91°
68°
6
86°
66°
7
87°
65°
8
87°
69°
9
87°
68°
10
87°
69°
11
81°
69°
12
83°
68°
13
85°
68°
14
80°
64°
15
82°
68°
16
84°
68°
17
80°
67°
18
81°
65°
19
82°
68°
20
83°
67°
21
82°
65°
22
82°
67°
23
87°
68°
24
87°
67°
25
83°
66°
26
87°
70°
27
88°
70°
28
88°
69°
29
86°
68°
30
83°
66°
31
77°
61°
1
77°
58°
2
78°
60°
3
79°
65°
4
84°
66°
5
84°
65°
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 77° to 91°, with overnight lows between 58° and 72°. The average high for August is 84° with an average low of 66°. 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.
