S
M
T
W
T
F
S
26
78°
59°
27
78°
61°
28
82°
65°
29
82°
67°
30
82°
65°
31
83°
69°
1
82°
68°
2
73°
65°
3
76°
65°
4
77°
66°
5
80°
66°
6
81°
66°
7
81°
68°
8
80°
66°
9
78°
65°
10
78°
64°
11
79°
64°
12
79°
63°
13
78°
60°
14
81°
60°
15
73°
57°
16
71°
58°
17
73°
64°
18
74°
62°
19
73°
61°
20
72°
60°
21
72°
56°
22
71°
56°
23
71°
55°
24
72°
57°
25
71°
57°
26
72°
58°
27
71°
58°
28
71°
55°
29
70°
56°
30
71°
60°
31
76°
63°
1
73°
63°
2
74°
59°
3
70°
57°
4
69°
57°
5
70°
58°
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 69° to 83°, with overnight lows between 55° and 69°. The average high for August is 75° 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.
