S
M
T
W
T
F
S
26
87°
67°
27
87°
67°
28
86°
68°
29
88°
68°
30
87°
67°
31
86°
66°
1
81°
63°
2
79°
60°
3
79°
62°
4
81°
65°
5
80°
65°
6
83°
64°
7
85°
65°
8
85°
65°
9
84°
66°
10
85°
66°
11
85°
65°
12
86°
65°
13
85°
66°
14
88°
64°
15
88°
64°
16
80°
63°
17
82°
62°
18
84°
64°
19
85°
57°
20
82°
55°
21
77°
55°
22
77°
56°
23
78°
57°
24
78°
55°
25
79°
58°
26
78°
58°
27
82°
59°
28
83°
56°
29
77°
55°
30
76°
55°
31
75°
54°
1
75°
55°
2
76°
55°
3
76°
54°
4
77°
54°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Wayne
Fort Wayne's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 54° and 68°. The average high for August is 82° 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 Fort Wayne. See also: September | October | November.
