S
M
T
W
T
F
S
26
88°
62°
27
88°
61°
28
87°
63°
29
89°
63°
30
85°
62°
31
87°
62°
1
89°
61°
2
88°
61°
3
88°
62°
4
87°
62°
5
83°
60°
6
85°
61°
7
89°
59°
8
89°
57°
9
83°
58°
10
82°
59°
11
88°
58°
12
81°
55°
13
79°
55°
14
81°
54°
15
82°
55°
16
84°
58°
17
87°
56°
18
85°
54°
19
83°
55°
20
84°
59°
21
86°
60°
22
87°
60°
23
88°
59°
24
86°
59°
25
84°
52°
26
84°
51°
27
83°
52°
28
80°
53°
29
77°
52°
30
79°
51°
31
79°
52°
1
78°
53°
2
76°
53°
3
77°
54°
4
82°
49°
5
76°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waterton
Waterton's August 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 49° and 63°. The average high for August is 84° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Waterton. See also: September | October | November.
