S
M
T
W
T
F
S
26
88°
66°
27
83°
61°
28
83°
61°
29
84°
66°
30
85°
60°
31
84°
60°
1
85°
61°
2
83°
60°
3
83°
60°
4
84°
59°
5
83°
60°
6
83°
60°
7
84°
61°
8
84°
64°
9
86°
66°
10
87°
65°
11
85°
64°
12
87°
66°
13
90°
60°
14
88°
58°
15
82°
58°
16
83°
59°
17
83°
60°
18
84°
59°
19
83°
58°
20
81°
56°
21
82°
58°
22
82°
58°
23
80°
57°
24
81°
57°
25
81°
63°
26
84°
64°
27
87°
64°
28
89°
63°
29
89°
55°
30
85°
56°
31
81°
60°
1
83°
61°
2
80°
61°
3
83°
54°
4
80°
60°
5
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Toronto
Toronto's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 54° and 66°. The average high for August is 84° with an average low of 60°. 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 Toronto. See also: September | October | November.
