S
M
T
W
T
F
S
26
78°
58°
27
79°
60°
28
81°
65°
29
80°
65°
30
81°
63°
31
86°
64°
1
86°
65°
2
87°
65°
3
87°
64°
4
86°
64°
5
84°
59°
6
78°
58°
7
78°
58°
8
79°
59°
9
80°
58°
10
83°
58°
11
83°
59°
12
84°
61°
13
85°
64°
14
84°
63°
15
86°
64°
16
86°
64°
17
84°
63°
18
80°
60°
19
79°
58°
20
79°
58°
21
81°
63°
22
83°
63°
23
78°
57°
24
79°
59°
25
83°
63°
26
85°
56°
27
78°
63°
28
82°
64°
29
84°
64°
30
85°
62°
31
82°
61°
1
83°
60°
2
83°
61°
3
82°
59°
4
82°
60°
5
82°
60°
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 78° to 87°, with overnight lows between 56° and 65°. The average high for August is 82° 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 Toronto. See also: September | October | November.
