S
M
T
W
T
F
S
26
83°
68°
27
87°
69°
28
88°
69°
29
87°
68°
30
87°
68°
31
84°
66°
1
82°
67°
2
86°
68°
3
88°
69°
4
88°
69°
5
89°
68°
6
89°
67°
7
83°
61°
8
85°
65°
9
85°
60°
10
82°
58°
11
80°
59°
12
81°
61°
13
81°
60°
14
82°
60°
15
80°
61°
16
82°
65°
17
81°
62°
18
83°
63°
19
81°
63°
20
80°
64°
21
80°
63°
22
81°
59°
23
82°
63°
24
85°
64°
25
86°
64°
26
87°
63°
27
87°
58°
28
85°
57°
29
79°
62°
30
78°
60°
31
79°
56°
1
78°
57°
2
77°
55°
3
76°
53°
4
76°
53°
5
77°
58°
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 76° to 89°, with overnight lows between 53° and 69°. The average high for August is 83° 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.
