S
M
T
W
T
F
S
26
77°
53°
27
79°
52°
28
82°
55°
29
75°
51°
30
74°
50°
31
73°
49°
1
73°
52°
2
74°
49°
3
77°
51°
4
74°
50°
5
77°
50°
6
81°
55°
7
77°
53°
8
81°
55°
9
82°
56°
10
83°
55°
11
82°
56°
12
83°
56°
13
83°
55°
14
82°
55°
15
81°
54°
16
82°
55°
17
82°
55°
18
81°
54°
19
83°
56°
20
83°
56°
21
82°
55°
22
82°
55°
23
83°
54°
24
79°
48°
25
76°
54°
26
80°
54°
27
81°
55°
28
83°
54°
29
82°
50°
30
82°
54°
31
81°
55°
1
81°
51°
2
80°
50°
3
80°
47°
4
81°
47°
5
79°
46°
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 73° to 83°, with overnight lows between 46° and 56°. The average high for August is 80° with an average low of 53°. 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.
