S
M
T
W
T
F
S
26
62°
39°
27
56°
39°
28
56°
40°
29
57°
40°
30
56°
43°
1
57°
44°
2
65°
47°
3
60°
46°
4
63°
44°
5
62°
47°
6
64°
42°
7
58°
42°
8
60°
46°
9
64°
51°
10
69°
52°
11
69°
51°
12
70°
50°
13
70°
45°
14
60°
44°
15
65°
48°
16
64°
44°
17
62°
44°
18
63°
45°
19
68°
46°
20
65°
45°
21
62°
45°
22
63°
46°
23
64°
46°
24
63°
48°
25
68°
47°
26
69°
48°
27
71°
51°
28
74°
49°
29
69°
51°
30
72°
50°
31
77°
47°
1
69°
56°
2
73°
57°
3
75°
51°
4
70°
48°
5
68°
55°
6
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waldheim
Waldheim's May 2026 forecast shows daily high temperatures ranging from 56° to 77°, with overnight lows between 39° and 57°. The average high for May is 65° with an average low of 47°. 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 Waldheim. See also: June | July | August.