S
M
T
W
T
F
S
26
50°
39°
27
51°
40°
28
51°
41°
29
52°
39°
30
49°
37°
1
53°
39°
2
52°
40°
3
48°
40°
4
50°
38°
5
52°
41°
6
49°
43°
7
50°
43°
8
50°
42°
9
53°
42°
10
55°
42°
11
50°
40°
12
50°
40°
13
52°
41°
14
51°
42°
15
51°
42°
16
52°
44°
17
52°
43°
18
53°
44°
19
53°
44°
20
56°
43°
21
53°
45°
22
52°
43°
23
51°
42°
24
52°
41°
25
52°
46°
26
53°
45°
27
53°
44°
28
54°
45°
29
55°
46°
30
56°
43°
31
57°
43°
1
58°
46°
2
58°
46°
3
54°
45°
4
54°
43°
5
56°
47°
6
59°
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 48° to 59°, with overnight lows between 37° and 47°. The average high for May is 53° 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.
