S
M
T
W
T
F
S
26
78°
59°
27
78°
61°
28
82°
65°
29
82°
67°
30
82°
65°
31
82°
61°
1
79°
68°
2
75°
63°
3
82°
62°
4
80°
61°
5
78°
63°
6
82°
68°
7
78°
71°
8
81°
69°
9
78°
65°
10
82°
68°
11
83°
67°
12
75°
65°
13
85°
64°
14
78°
65°
15
74°
68°
16
74°
68°
17
81°
67°
18
77°
64°
19
78°
65°
20
74°
61°
21
76°
59°
22
76°
66°
23
70°
61°
24
73°
59°
25
76°
58°
26
70°
58°
27
79°
60°
28
73°
57°
29
75°
63°
30
77°
68°
31
78°
69°
1
80°
65°
2
79°
66°
3
78°
64°
4
79°
66°
5
78°
66°
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 80°, with overnight lows between 57° and 69°. The average high for August is 78° with an average low of 64°. 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.
