S
M
T
W
T
F
S
26
82°
64°
27
82°
64°
28
81°
63°
29
80°
63°
30
77°
62°
31
75°
62°
1
75°
61°
2
76°
62°
3
76°
62°
4
77°
61°
5
75°
60°
6
74°
58°
7
75°
61°
8
76°
62°
9
77°
62°
10
79°
61°
11
78°
62°
12
79°
62°
13
79°
61°
14
78°
61°
15
74°
60°
16
73°
58°
17
73°
59°
18
74°
60°
19
78°
61°
20
79°
61°
21
72°
52°
22
71°
51°
23
70°
52°
24
71°
54°
25
72°
58°
26
75°
56°
27
72°
59°
28
72°
60°
29
81°
56°
30
81°
51°
31
71°
52°
1
71°
59°
2
77°
57°
3
75°
51°
4
74°
54°
5
77°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waterdown
Waterdown's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 49° and 64°. The average high for August is 76° with an average low of 59°. 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 Waterdown. See also: September | October | November.
