S
M
T
W
T
F
S
26
83°
59°
27
87°
61°
28
83°
61°
29
82°
59°
30
87°
56°
31
89°
53°
1
81°
66°
2
71°
64°
3
82°
57°
4
84°
54°
5
84°
55°
6
86°
62°
7
81°
68°
8
87°
66°
9
84°
60°
10
85°
64°
11
85°
62°
12
79°
60°
13
84°
62°
14
82°
60°
15
77°
64°
16
76°
62°
17
82°
59°
18
80°
56°
19
83°
55°
20
77°
52°
21
77°
51°
22
80°
58°
23
71°
57°
24
72°
56°
25
80°
58°
26
N/A
27
77°
57°
28
73°
54°
29
74°
62°
30
79°
67°
31
79°
67°
1
82°
62°
2
78°
61°
3
77°
63°
4
80°
62°
5
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Waterdown
Waterdown's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 54° and 67°. The average high for August is 77° with an average low of 61°. 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.
