S
M
T
W
T
F
S
26
93°
72°
27
94°
75°
28
85°
71°
29
83°
63°
30
85°
59°
31
76°
69°
1
73°
65°
2
80°
61°
3
83°
60°
4
84°
62°
5
82°
66°
6
81°
67°
7
83°
69°
8
85°
68°
9
83°
65°
10
82°
67°
11
86°
68°
12
82°
65°
13
81°
64°
14
85°
62°
15
79°
61°
16
80°
66°
17
89°
70°
18
89°
70°
19
90°
69°
20
88°
68°
21
87°
67°
22
88°
69°
23
88°
68°
24
87°
67°
25
86°
68°
26
86°
67°
27
85°
66°
28
86°
65°
29
87°
66°
30
86°
65°
31
86°
65°
1
85°
64°
2
86°
65°
3
86°
64°
4
85°
64°
5
85°
65°
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 73° to 90°, with overnight lows between 60° and 70°. The average high for August is 85° with an average low of 66°. 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.
