S
M
T
W
T
F
S
26
50°
40°
27
53°
40°
28
52°
39°
29
52°
40°
30
53°
41°
1
52°
40°
2
54°
39°
3
53°
39°
4
51°
40°
5
55°
42°
6
57°
43°
7
55°
43°
8
52°
42°
9
54°
42°
10
55°
43°
11
52°
42°
12
55°
43°
13
52°
44°
14
51°
42°
15
51°
42°
16
52°
43°
17
52°
44°
18
51°
44°
19
51°
45°
20
52°
45°
21
52°
44°
22
53°
41°
23
51°
41°
24
53°
45°
25
58°
45°
26
58°
42°
27
54°
42°
28
57°
43°
29
58°
46°
30
57°
45°
31
58°
43°
1
57°
42°
2
54°
44°
3
57°
45°
4
59°
49°
5
60°
48°
6
61°
49°
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 61°, with overnight lows between 39° and 49°. 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.
