S
M
T
W
T
F
S
26
59°
42°
27
65°
40°
28
69°
53°
29
55°
44°
30
56°
42°
1
49°
37°
2
48°
36°
3
64°
34°
4
75°
48°
5
64°
47°
6
55°
46°
7
58°
42°
8
63°
40°
9
70°
48°
10
63°
40°
11
57°
37°
12
61°
33°
13
60°
45°
14
65°
42°
15
69°
38°
16
79°
54°
17
85°
59°
18
89°
65°
19
86°
65°
20
71°
46°
21
63°
41°
22
64°
47°
23
59°
52°
24
69°
55°
25
75°
55°
26
79°
50°
27
80°
57°
28
67°
48°
29
82°
52°
30
70°
50°
31
75°
54°
1
77°
51°
2
77°
53°
3
79°
58°
4
83°
65°
5
83°
65°
6
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Wayne
Fort Wayne's May 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 50° and 65°. The average high for May is 78° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fort Wayne. See also: June | July | August.
