S
M
T
W
T
F
S
26
69°
49°
27
68°
51°
28
67°
52°
29
75°
51°
30
77°
52°
1
79°
54°
2
76°
53°
3
76°
52°
4
75°
53°
5
79°
51°
6
77°
50°
7
79°
52°
8
75°
52°
9
74°
51°
10
73°
51°
11
74°
50°
12
76°
51°
13
76°
50°
14
77°
50°
15
79°
53°
16
77°
54°
17
75°
52°
18
76°
54°
19
77°
54°
20
80°
55°
21
84°
56°
22
86°
57°
23
87°
58°
24
87°
59°
25
88°
59°
26
89°
60°
27
89°
59°
28
88°
59°
29
88°
58°
30
87°
56°
31
83°
53°
1
80°
52°
2
81°
54°
3
82°
55°
4
85°
56°
5
88°
56°
6
89°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waterford
Waterford's May 2026 forecast shows daily high temperatures ranging from 67° to 89°, with overnight lows between 49° and 60°. The average high for May is 80° with an average low of 54°. 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 Waterford. See also: June | July | August.