S
M
T
W
T
F
S
26
84°
69°
27
90°
69°
28
84°
66°
29
84°
60°
30
85°
58°
31
83°
60°
1
77°
67°
2
76°
65°
3
80°
63°
4
83°
63°
5
87°
65°
6
86°
67°
7
86°
70°
8
86°
69°
9
84°
67°
10
88°
68°
11
85°
68°
12
84°
64°
13
84°
66°
14
85°
63°
15
78°
59°
16
79°
60°
17
88°
68°
18
88°
68°
19
89°
67°
20
88°
67°
21
87°
66°
22
87°
66°
23
88°
67°
24
87°
67°
25
84°
66°
26
84°
66°
27
83°
65°
28
82°
64°
29
86°
65°
30
84°
64°
31
85°
64°
1
86°
65°
2
85°
62°
3
81°
61°
4
82°
63°
5
85°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ellettsville
Ellettsville's August 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 59° and 70°. The average high for August is 84° with an average low of 65°. 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 Ellettsville. See also: September | October | November.