S
M
T
W
T
F
S
26
80°
56°
27
77°
59°
28
76°
60°
29
75°
64°
30
78°
63°
31
79°
62°
1
79°
62°
2
78°
63°
3
77°
61°
4
78°
62°
5
79°
57°
6
75°
60°
7
78°
61°
8
75°
60°
9
78°
61°
10
77°
61°
11
77°
60°
12
74°
59°
13
73°
60°
14
74°
60°
15
74°
61°
16
77°
61°
17
76°
60°
18
76°
61°
19
75°
59°
20
76°
60°
21
76°
58°
22
70°
57°
23
70°
58°
24
74°
59°
25
75°
59°
26
75°
58°
27
73°
57°
28
69°
57°
29
68°
56°
30
69°
57°
31
72°
57°
1
74°
58°
2
74°
57°
3
73°
56°
4
66°
51°
5
66°
47°
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 66° to 80°, with overnight lows between 47° and 64°. The average high for August is 75° with an average low of 59°. 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.
