S
M
T
W
T
F
S
26
81°
55°
27
83°
67°
28
71°
59°
29
65°
51°
30
64°
43°
1
63°
46°
2
62°
41°
3
71°
38°
4
80°
57°
5
66°
46°
6
62°
45°
7
65°
42°
8
73°
46°
9
80°
55°
10
72°
56°
11
74°
47°
12
79°
49°
13
77°
53°
14
72°
47°
15
82°
54°
16
82°
72°
17
88°
69°
18
85°
67°
19
83°
66°
20
71°
59°
21
68°
60°
22
N/A
23
79°
63°
24
81°
64°
25
80°
66°
26
76°
67°
27
82°
64°
28
81°
64°
29
82°
61°
30
77°
57°
31
77°
58°
1
82°
64°
2
84°
66°
3
84°
64°
4
83°
60°
5
83°
64°
6
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Old Appleton
Old Appleton's May 2026 forecast shows daily high temperatures ranging from 76° to 84°, with overnight lows between 57° and 67°. The average high for May is 81° with an average low of 63°. 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 Old Appleton. See also: June | July | August.
