S
M
T
W
T
F
S
26
60°
45°
27
57°
42°
28
62°
42°
29
53°
46°
30
51°
43°
1
55°
40°
2
61°
43°
3
63°
44°
4
59°
46°
5
59°
44°
6
59°
45°
7
58°
44°
8
60°
46°
9
58°
47°
10
54°
45°
11
55°
45°
12
54°
41°
13
52°
42°
14
53°
44°
15
51°
43°
16
52°
41°
17
53°
43°
18
55°
43°
19
56°
45°
20
52°
45°
21
52°
44°
22
53°
45°
23
56°
45°
24
58°
46°
25
57°
46°
26
53°
45°
27
53°
45°
28
56°
46°
29
58°
47°
30
56°
46°
31
56°
47°
1
54°
47°
2
54°
46°
3
56°
47°
4
58°
48°
5
59°
48°
6
58°
47°
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 51° to 63°, with overnight lows between 40° and 48°. The average high for May is 56° 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 Waterfall. See also: June | July | August.
