S
M
T
W
T
F
S
26
58°
44°
27
70°
35°
28
65°
45°
29
60°
53°
30
70°
44°
1
69°
34°
2
62°
47°
3
64°
39°
4
79°
40°
5
85°
47°
6
72°
57°
7
63°
45°
8
73°
36°
9
76°
50°
10
83°
44°
11
63°
43°
12
74°
36°
13
76°
53°
14
65°
50°
15
74°
48°
16
86°
43°
17
89°
56°
18
95°
59°
19
96°
63°
20
95°
62°
21
70°
54°
22
59°
51°
23
57°
51°
24
66°
52°
25
76°
63°
26
77°
64°
27
79°
64°
28
78°
50°
29
80°
54°
30
78°
48°
31
73°
52°
1
71°
50°
2
73°
54°
3
76°
53°
4
78°
59°
5
77°
58°
6
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waterfall
Waterfall's May 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 48° and 64°. The average high for May is 77° with an average low of 55°. 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 Waterfall. See also: June | July | August.
