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Old Toronto, Ontario

59°F
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59°
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Old Toronto, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Yellow Warning - Heat

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Mostly cloudy, showers around
76°
56°
27
Cloudy
75°
55°
28
Mostly sunny
75°
56°
29
Times of clouds and sun
76°
56°
30
Times of clouds and sun
76°
57°
31
Partly sunny
77°
56°
1
Clouds and sunshine
76°
57°
2
Plenty of sunshine
76°
64°
3
Mostly sunny
78°
63°
4
A thunderstorm in spots
77°
57°
5
Couple of thunderstorms
80°
60°
6
Couple of thunderstorms
81°
59°
7
Plenty of sunshine
83°
64°
8
A thunderstorm in spots
83°
64°
9
Sunny to partly cloudy
82°
65°
10
Partly sunny
83°
63°
11
Couple of thunderstorms
82°
55°
12
Mostly sunny and less humid
77°
55°
13
Sunny
76°
57°
14
Some sun
78°
55°
15
A thunderstorm in spots
76°
61°
16
Plenty of sun
82°
64°
17
Couple of thunderstorms
83°
63°
18
A thunderstorm in spots
82°
56°
19
Hist. Avg.
76°
63°
20
Hist. Avg.
76°
63°
21
Hist. Avg.
76°
63°
22
Hist. Avg.
76°
63°
23
Hist. Avg.
76°
62°
24
Hist. Avg.
76°
62°
25
Hist. Avg.
76°
62°
26
Hist. Avg.
75°
62°
27
Hist. Avg.
75°
61°
28
Hist. Avg.
75°
61°
29
Hist. Avg.
75°
61°
30
Hist. Avg.
75°
60°
31
Hist. Avg.
74°
60°
1
Hist. Avg.
74°
60°
2
Hist. Avg.
74°
59°
3
Hist. Avg.
74°
59°
4
Hist. Avg.
74°
59°
5
Hist. Avg.
73°
58°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 *19 *20 *21 *22 *23 *24 *25 *26 *27 *28 *29 *30 *31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable

August Weather in Old Toronto

Old Toronto's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 55° and 65°. The average high for August is 79° 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 Old Toronto. See also: September | October | November.

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Weather Near Old Toronto:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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