S
M
T
W
T
F
S
26
84°
67°
27
80°
66°
28
80°
62°
29
81°
65°
30
83°
68°
31
85°
68°
1
83°
67°
2
83°
67°
3
88°
62°
4
81°
60°
5
81°
62°
6
82°
60°
7
81°
59°
8
82°
60°
9
80°
58°
10
81°
60°
11
82°
66°
12
86°
67°
13
86°
60°
14
83°
59°
15
80°
63°
16
81°
65°
17
83°
59°
18
80°
61°
19
80°
58°
20
81°
58°
21
82°
61°
22
85°
65°
23
86°
65°
24
85°
64°
25
86°
63°
26
87°
64°
27
86°
63°
28
85°
64°
29
85°
63°
30
82°
56°
31
78°
54°
1
77°
54°
2
77°
56°
3
78°
56°
4
77°
55°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fishers
Fishers's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 54° and 68°. The average high for August is 82° with an average low of 62°. 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 Fishers. See also: September | October | November.
