S
M
T
W
T
F
S
26
54°
41°
27
52°
42°
28
49°
41°
29
50°
41°
30
49°
40°
1
49°
41°
2
50°
40°
3
49°
41°
4
49°
40°
5
50°
40°
6
49°
41°
7
50°
38°
8
49°
38°
9
50°
40°
10
50°
40°
11
51°
41°
12
52°
42°
13
56°
41°
14
56°
40°
15
50°
43°
16
52°
44°
17
56°
45°
18
54°
44°
19
52°
42°
20
53°
45°
21
54°
45°
22
52°
44°
23
52°
44°
24
53°
43°
25
52°
43°
26
53°
46°
27
58°
42°
28
58°
46°
29
57°
47°
30
59°
48°
31
60°
47°
1
59°
47°
2
60°
46°
3
60°
48°
4
59°
48°
5
60°
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 49° to 60°, with overnight lows between 38° and 48°. 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.
