Ontario weather in August 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun
28 July
+24°+13°
29 July
+25°+14°
30 July
+25°+13°
31 July
+24°+14°
1 August
+24°+14°
2 August
+23°+12°
3 August
+23°+13°
4 August
+23°+13°
5 August
+23°+13°
6 August
+22°+11°
7 August
+22°+11°
8 August
+23°+12°
9 August
+23°+13°
10 August
+23°+12°
11 August
+23°+11°
12 August
+23°+11°
13 August
+23°+12°
14 August
+25°+13°
15 August
+25°+13°
16 August
+24°+12°
17 August
+22°+12°
18 August
+22°+12°
19 August
+22°+12°
20 August
+22°+12°
21 August
+22°+11°
22 August
+23°+12°
23 August
+24°+12°
24 August
+22°+13°
25 August
+22°+11°
26 August
+23°+12°
27 August
+22°+12°
28 August
+22°+12°
29 August
+24°+12°
30 August
+22°+13°
31 August
+21°+10°
* weather forecast is calculated based on historical data over the past 70 years

August in Ontario

Max. temperature +34.1°C
Min. temperature +2.1°C
Monthly precipitation 51.73mm
Wind speed 25.72m/s
  • Max. temp…
  • Min. temp…

Forecast in other regions

Toronto
+20°
Montreal
+20°
Vancouver
+28°
Calgary
+25°
Edmonton
+26°
Ottawa
+23°
Winnipeg
+17°
Edmundston
+26°
Hamilton
+20°
Mississauga
+20°
Brampton
+19°
Kitchener
+18°
Quebec
+15°
Halifax
+18°
Laval
+24°
Surrey
+27°
Victoria
+28°
London
+20°
Markham
+19°
Windsor
+20°
All cities

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