S
M
T
W
T
F
S
26
65°
45°
27
68°
46°
28
61°
43°
29
54°
43°
30
53°
37°
1
49°
36°
2
48°
30°
3
63°
31°
4
75°
48°
5
57°
47°
6
53°
39°
7
56°
34°
8
65°
35°
9
69°
45°
10
60°
34°
11
59°
36°
12
62°
38°
13
61°
43°
14
66°
42°
15
70°
36°
16
82°
57°
17
86°
59°
18
86°
67°
19
84°
63°
20
65°
50°
21
65°
40°
22
69°
41°
23
60°
49°
24
72°
51°
25
81°
55°
26
82°
58°
27
78°
57°
28
78°
49°
29
74°
49°
30
71°
45°
31
69°
50°
1
74°
50°
2
73°
53°
3
73°
54°
4
74°
55°
5
76°
53°
6
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Napoleon
Napoleon's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 45° and 58°. The average high for May is 74° with an average low of 52°. 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 Napoleon. See also: June | July | August.
