S
M
T
W
T
F
S
26
65°
44°
27
61°
49°
28
64°
46°
29
51°
37°
30
50°
34°
1
47°
30°
2
58°
45°
3
66°
44°
4
71°
40°
5
57°
36°
6
53°
37°
7
55°
35°
8
61°
40°
9
65°
42°
10
62°
41°
11
61°
43°
12
65°
43°
13
64°
44°
14
56°
34°
15
61°
42°
16
62°
42°
17
62°
49°
18
64°
50°
19
67°
50°
20
70°
51°
21
69°
49°
22
62°
48°
23
65°
44°
24
63°
43°
25
64°
47°
26
65°
52°
27
67°
52°
28
66°
49°
29
66°
47°
30
70°
48°
31
66°
47°
1
66°
50°
2
70°
49°
3
66°
48°
4
68°
47°
5
68°
47°
6
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waupaca
Waupaca's May 2026 forecast shows daily high temperatures ranging from 47° to 71°, with overnight lows between 30° and 52°. 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 Waupaca. See also: June | July | August.