S
M
T
W
T
F
S
26
52°
34°
27
48°
34°
28
44°
36°
29
58°
31°
30
64°
47°
1
67°
48°
2
71°
46°
3
75°
56°
4
68°
47°
5
61°
46°
6
62°
46°
7
61°
39°
8
56°
39°
9
71°
37°
10
55°
39°
11
69°
34°
12
72°
47°
13
47°
38°
14
48°
38°
15
43°
35°
16
36°
31°
17
39°
30°
18
50°
34°
19
53°
35°
20
56°
39°
21
68°
38°
22
69°
45°
23
62°
43°
24
68°
39°
25
60°
37°
26
66°
43°
27
83°
52°
28
87°
54°
29
66°
45°
30
69°
41°
31
72°
33°
1
79°
42°
2
81°
46°
3
77°
43°
4
78°
42°
5
73°
39°
6
73°
41°
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 66° to 87°, with overnight lows between 33° and 54°. The average high for May is 75° with an average low of 43°. 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.
