S
M
T
W
T
F
S
26
82°
59°
27
80°
58°
28
80°
58°
29
81°
61°
30
81°
60°
31
82°
63°
1
83°
62°
2
82°
60°
3
80°
61°
4
80°
60°
5
81°
58°
6
80°
59°
7
81°
61°
8
81°
62°
9
82°
59°
10
80°
57°
11
81°
58°
12
80°
58°
13
79°
59°
14
79°
58°
15
78°
58°
16
79°
57°
17
81°
57°
18
82°
60°
19
83°
64°
20
85°
63°
21
80°
63°
22
84°
62°
23
84°
56°
24
83°
55°
25
77°
63°
26
80°
60°
27
84°
61°
28
82°
62°
29
79°
63°
30
83°
56°
31
84°
54°
1
77°
52°
2
74°
53°
3
Hist. Avg.
80°
58°
4
Hist. Avg.
80°
58°
5
Hist. Avg.
79°
57°
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 74° to 85°, with overnight lows between 52° and 64°. The average high for August is 81° with an average low of 59°. 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.
