S
M
T
W
T
F
S
26
81°
63°
27
87°
69°
28
82°
65°
29
77°
59°
30
83°
58°
31
83°
65°
1
83°
67°
2
82°
65°
3
83°
66°
4
85°
66°
5
88°
66°
6
84°
65°
7
85°
66°
8
84°
62°
9
84°
65°
10
85°
65°
11
81°
65°
12
81°
64°
13
83°
65°
14
79°
64°
15
79°
61°
16
81°
64°
17
81°
65°
18
79°
65°
19
81°
64°
20
80°
63°
21
80°
62°
22
78°
63°
23
84°
64°
24
85°
59°
25
77°
57°
26
82°
65°
27
85°
66°
28
85°
65°
29
84°
64°
30
83°
61°
31
76°
56°
1
75°
55°
2
74°
54°
3
76°
57°
4
82°
63°
5
80°
62°
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 74° to 88°, with overnight lows between 54° and 69°. The average high for August is 82° with an average low of 63°. 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.
