S
M
T
W
T
F
S
26
54°
39°
27
55°
41°
28
56°
40°
29
60°
41°
30
56°
38°
1
57°
39°
2
56°
41°
3
58°
44°
4
57°
41°
5
56°
40°
6
58°
40°
7
63°
43°
8
62°
41°
9
60°
41°
10
59°
42°
11
59°
42°
12
61°
53°
13
67°
50°
14
62°
52°
15
72°
52°
16
66°
48°
17
65°
51°
18
68°
55°
19
72°
57°
20
74°
54°
21
74°
52°
22
66°
52°
23
67°
53°
24
66°
51°
25
70°
49°
26
73°
58°
27
77°
52°
28
78°
57°
29
70°
54°
30
76°
56°
31
75°
52°
1
73°
51°
2
70°
49°
3
69°
52°
4
70°
53°
5
73°
58°
6
74°
54°
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 54° to 78°, with overnight lows between 38° and 58°. The average high for May is 66° with an average low of 48°. 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.
