S
M
T
W
T
F
S
26
101°
77°
27
101°
78°
28
90°
77°
29
97°
77°
30
89°
77°
31
92°
65°
1
86°
63°
2
90°
64°
3
92°
64°
4
95°
70°
5
95°
72°
6
97°
73°
7
94°
72°
8
97°
74°
9
100°
75°
10
95°
71°
11
96°
72°
12
93°
73°
13
91°
67°
14
88°
67°
15
89°
69°
16
92°
70°
17
93°
71°
18
94°
71°
19
92°
69°
20
90°
69°
21
87°
68°
22
86°
69°
23
89°
69°
24
86°
68°
25
83°
65°
26
85°
63°
27
84°
66°
28
81°
66°
29
82°
65°
30
82°
68°
31
83°
68°
1
87°
67°
2
82°
63°
3
83°
64°
4
84°
65°
5
83°
63°
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 81° to 100°, with overnight lows between 63° and 75°. The average high for August is 89° with an average low of 68°. 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.
