S
M
T
W
T
F
S
26
60°
39°
27
53°
40°
28
53°
39°
29
55°
42°
30
54°
41°
1
57°
43°
2
58°
44°
3
59°
44°
4
57°
42°
5
53°
41°
6
51°
42°
7
55°
43°
8
55°
43°
9
56°
42°
10
55°
43°
11
53°
43°
12
51°
42°
13
51°
41°
14
53°
43°
15
51°
42°
16
55°
44°
17
57°
45°
18
57°
45°
19
58°
44°
20
58°
45°
21
56°
46°
22
52°
45°
23
53°
46°
24
53°
46°
25
54°
45°
26
53°
46°
27
53°
46°
28
54°
45°
29
53°
44°
30
55°
45°
31
56°
42°
1
52°
42°
2
52°
43°
3
55°
45°
4
57°
46°
5
60°
49°
6
61°
50°
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 61°, with overnight lows between 39° and 50°. The average high for May is 55° with an average low of 44°. 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.
