S
M
T
W
T
F
S
26
57°
38°
27
70°
34°
28
57°
45°
29
59°
53°
30
65°
40°
1
65°
33°
2
58°
42°
3
61°
37°
4
73°
34°
5
82°
61°
6
71°
53°
7
65°
48°
8
67°
37°
9
64°
45°
10
72°
44°
11
62°
43°
12
68°
34°
13
72°
51°
14
58°
50°
15
69°
49°
16
81°
43°
17
85°
54°
18
93°
58°
19
92°
65°
20
90°
56°
21
59°
55°
22
62°
49°
23
55°
51°
24
67°
58°
25
72°
56°
26
78°
59°
27
79°
56°
28
78°
59°
29
78°
58°
30
81°
57°
31
84°
61°
1
80°
59°
2
81°
55°
3
82°
59°
4
83°
60°
5
84°
61°
6
84°
61°
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 55° to 90°, with overnight lows between 49° and 61°. The average high for May is 77° with an average low of 57°. 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.
