S
M
T
W
T
F
S
26
64°
48°
27
64°
46°
28
62°
49°
29
58°
42°
30
56°
34°
1
51°
33°
2
51°
29°
3
60°
38°
4
77°
49°
5
57°
45°
6
57°
41°
7
57°
35°
8
61°
42°
9
71°
48°
10
63°
40°
11
65°
38°
12
42°
36°
13
60°
38°
14
65°
37°
15
68°
57°
16
73°
59°
17
82°
63°
18
82°
67°
19
79°
51°
20
63°
44°
21
65°
48°
22
69°
49°
23
76°
56°
24
72°
56°
25
75°
60°
26
74°
59°
27
76°
60°
28
75°
53°
29
76°
57°
30
72°
54°
31
69°
52°
1
70°
49°
2
70°
49°
3
71°
51°
4
72°
57°
5
80°
60°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Nappanee
Nappanee's May 2026 forecast shows daily high temperatures ranging from 63° to 82°, with overnight lows between 44° and 67°. The average high for May is 73° with an average low of 55°. 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 Nappanee. See also: June | July | August.