S
M
T
W
T
F
S
26
58°
43°
27
53°
43°
28
54°
42°
29
52°
41°
30
52°
42°
1
53°
39°
2
49°
42°
3
50°
41°
4
49°
42°
5
50°
41°
6
50°
42°
7
51°
40°
8
50°
39°
9
49°
38°
10
50°
38°
11
50°
43°
12
52°
43°
13
56°
42°
14
56°
44°
15
55°
44°
16
55°
43°
17
56°
44°
18
56°
45°
19
57°
44°
20
54°
45°
21
57°
45°
22
56°
44°
23
52°
45°
24
52°
45°
25
53°
44°
26
53°
45°
27
54°
44°
28
52°
43°
29
53°
45°
30
53°
44°
31
55°
46°
1
58°
44°
2
58°
46°
3
56°
46°
4
57°
45°
5
60°
48°
6
55°
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 49° to 60°, with overnight lows between 38° and 48°. 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.
