S
M
T
W
T
F
S
26
66°
40°
27
68°
43°
28
58°
45°
29
64°
44°
30
70°
47°
1
72°
49°
2
67°
46°
3
65°
52°
4
60°
51°
5
62°
45°
6
58°
44°
7
62°
39°
8
65°
46°
9
68°
44°
10
58°
40°
11
55°
32°
12
60°
34°
13
55°
44°
14
56°
42°
15
57°
38°
16
57°
38°
17
59°
45°
18
56°
45°
19
63°
51°
20
66°
49°
21
73°
49°
22
80°
57°
23
80°
57°
24
83°
54°
25
81°
55°
26
78°
54°
27
79°
55°
28
72°
52°
29
69°
49°
30
69°
49°
31
70°
50°
1
60°
45°
2
61°
46°
3
64°
50°
4
63°
52°
5
66°
53°
6
67°
53°
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 60° to 83°, with overnight lows between 45° and 57°. The average high for May is 71° 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 Appleton. See also: June | July | August.
