S
M
T
W
T
F
S
26
60°
45°
27
57°
42°
28
58°
42°
29
52°
46°
30
50°
42°
1
56°
38°
2
58°
43°
3
59°
44°
4
63°
46°
5
60°
42°
6
66°
41°
7
61°
45°
8
60°
43°
9
58°
44°
10
58°
45°
11
54°
42°
12
51°
41°
13
51°
44°
14
52°
41°
15
50°
41°
16
51°
42°
17
51°
43°
18
52°
44°
19
51°
44°
20
52°
45°
21
52°
43°
22
51°
42°
23
53°
44°
24
52°
43°
25
52°
41°
26
51°
42°
27
51°
41°
28
52°
43°
29
52°
42°
30
53°
42°
31
53°
43°
1
54°
46°
2
53°
43°
3
53°
42°
4
54°
44°
5
53°
46°
6
54°
45°
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 50° to 66°, with overnight lows between 38° and 46°. The average high for May is 54° with an average low of 43°. 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.
