S
M
T
W
T
F
S
26
28°
21°
27
48°
19°
28
57°
23°
29
58°
25°
30
66°
27°
1
69°
42°
2
66°
38°
3
72°
34°
4
50°
35°
5
47°
25°
6
72°
24°
7
69°
38°
8
70°
36°
9
66°
44°
10
73°
44°
11
67°
42°
12
73°
33°
13
73°
42°
14
59°
44°
15
55°
37°
16
55°
36°
17
48°
30°
18
54°
29°
19
64°
36°
20
47°
35°
21
62°
34°
22
67°
41°
23
70°
38°
24
74°
46°
25
80°
43°
26
83°
51°
27
75°
48°
28
77°
52°
29
80°
51°
30
58°
42°
31
51°
41°
1
55°
38°
2
60°
39°
3
63°
47°
4
69°
46°
5
65°
42°
6
71°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waterton Park
Waterton Park's May 2026 forecast shows daily high temperatures ranging from 51° to 80°, with overnight lows between 38° and 52°. The average high for May is 66° 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 Waterton Park. See also: June | July | August.
