S
M
T
W
T
F
S
26
51°
34°
27
54°
38°
28
53°
37°
29
56°
33°
30
53°
34°
1
59°
35°
2
53°
38°
3
53°
37°
4
54°
36°
5
54°
36°
6
58°
43°
7
66°
39°
8
57°
39°
9
56°
38°
10
57°
40°
11
58°
41°
12
65°
46°
13
63°
42°
14
58°
44°
15
60°
43°
16
59°
41°
17
66°
50°
18
69°
53°
19
72°
53°
20
72°
52°
21
66°
50°
22
66°
48°
23
67°
50°
24
67°
53°
25
73°
54°
26
75°
56°
27
74°
52°
28
75°
53°
29
71°
56°
30
72°
52°
31
75°
48°
1
68°
46°
2
67°
45°
3
67°
48°
4
69°
56°
5
70°
58°
6
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Appleton
Appleton's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 33° and 58°. The average high for May is 64° with an average low of 45°. 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 Appleton. See also: June | July | August.
