S
M
T
W
T
F
S
26
85°
62°
27
84°
54°
28
79°
55°
29
78°
55°
30
80°
61°
31
77°
55°
1
78°
56°
2
78°
61°
3
80°
54°
4
78°
55°
5
77°
54°
6
76°
53°
7
75°
54°
8
77°
53°
9
77°
58°
10
79°
60°
11
83°
60°
12
83°
58°
13
82°
60°
14
83°
61°
15
83°
60°
16
84°
59°
17
81°
53°
18
82°
52°
19
75°
52°
20
75°
53°
21
76°
59°
22
75°
59°
23
78°
60°
24
81°
58°
25
80°
52°
26
75°
52°
27
74°
50°
28
74°
50°
29
73°
59°
30
79°
50°
31
76°
49°
1
Hist. Avg.
72°
55°
2
Hist. Avg.
71°
55°
3
Hist. Avg.
71°
55°
4
Hist. Avg.
71°
55°
5
Hist. Avg.
70°
54°
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 73° to 85°, with overnight lows between 49° and 62°. The average high for August is 79° with an average low of 56°. 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.
