S
M
T
W
T
F
S
26
79°
61°
27
79°
58°
28
79°
63°
29
81°
60°
30
78°
59°
31
78°
62°
1
79°
60°
2
79°
63°
3
80°
63°
4
80°
62°
5
82°
60°
6
78°
56°
7
78°
59°
8
81°
59°
9
78°
60°
10
78°
61°
11
79°
56°
12
77°
61°
13
80°
62°
14
81°
61°
15
77°
56°
16
76°
56°
17
76°
58°
18
77°
61°
19
76°
62°
20
80°
62°
21
81°
61°
22
82°
60°
23
80°
61°
24
84°
60°
25
82°
59°
26
83°
59°
27
82°
55°
28
77°
53°
29
74°
52°
30
73°
51°
31
72°
50°
1
74°
54°
2
74°
59°
3
75°
59°
4
81°
60°
5
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oakville
Oakville's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 50° and 63°. The average high for August is 79° 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 Oakville. See also: September | October | November.
