For this time of the year, Saint Catharines is experiencing slightly cooler temperatures, gently falling below the seasonal average.
According to the long-range forecast, temperatures are expected to be 24.5 °C which is -1.3 °C lower than the historical average.
Select a month and click on a day for more information:
Saturday
Aug 1
27° / 19°
Sunday
Aug 2
25° / 19°
Monday
Aug 3
27° / 18°
Tuesday
Aug 4
28° / 15°
Wednesday
Aug 5
25° / 18°
Thursday
Aug 6
26° / 20°
Friday
Aug 7
25° / 20°
Saturday
Aug 8
28° / 20°
Sunday
Aug 9
27° / 21°
Monday
Aug 10
27° / 20°
Tuesday
Aug 11
24° / 19°
Wednesday
Aug 12
24° / 20°
Thursday
Aug 13
22° / 17°
Friday
Aug 14
21° / 15°
Saturday
Aug 15
22° / 15°
Sunday
Aug 16
22° / 16°
Monday
Aug 17
21° / 17°
Tuesday
Aug 18
23° / 16°
Wednesday
Aug 19
24° / 15°
Thursday
Aug 20
24° / 16°
Friday
Aug 21
23° / 17°
Saturday
Aug 22
23° / 16°
Sunday
Aug 23
25° / 17°
Monday
Aug 24
25° / 18°
Tuesday
Aug 25
24° / 18°
Wednesday
Aug 26
23° / 16°
Thursday
Aug 27
24° / 16°
Friday
Aug 28
24° / 15°
Saturday
Aug 29
22° / 16°
Sunday
Aug 30
24° / 16°
Monday
Aug 31
23° / 16°
Saint Catharines 30 days weather forecast
Check out our estimated 30 days weather forecast for Saint Catharines, this data is based on the average weather in Saint Catharines in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Saint Catharines next to the desired date.