S
M
T
W
T
F
S
26
65°
40°
27
70°
42°
28
75°
44°
29
64°
51°
30
56°
40°
1
51°
36°
2
51°
35°
3
52°
35°
4
59°
34°
5
71°
43°
6
53°
44°
7
53°
38°
8
54°
40°
9
58°
47°
10
60°
40°
11
53°
40°
12
54°
39°
13
57°
44°
14
58°
45°
15
62°
47°
16
60°
43°
17
60°
44°
18
61°
47°
19
61°
46°
20
60°
45°
21
59°
43°
22
60°
41°
23
62°
43°
24
69°
47°
25
71°
51°
26
72°
51°
27
69°
44°
28
63°
43°
29
64°
45°
30
68°
52°
31
73°
54°
1
73°
52°
2
70°
49°
3
72°
54°
4
74°
55°
5
75°
55°
6
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Nicolet
Nicolet's May 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 38° and 55°. The average high for May is 64° with an average low of 46°. 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 Nicolet. See also: June | July | August.