The long-range forecast for Saint Catharines reveals lower temperatures than usual for this time of the year, dipping to 15°. In the coming days, the forecasted temperatures are expected to be on average -3.4 °C lower than the average of the last few years.
Select a month and click on a day for more information:
Wednesday
Jul 1
21° / 18°
Thursday
Jul 2
21° / 15°
Friday
Jul 3
20° / 14°
Saturday
Jul 4
26° / 17°
Sunday
Jul 5
25° / 17°
Monday
Jul 6
27° / 19°
Tuesday
Jul 7
24° / 18°
Wednesday
Jul 8
24° / 17°
Thursday
Jul 9
24° / 18°
Friday
Jul 10
25° / 18°
Saturday
Jul 11
27° / 18°
Sunday
Jul 12
27° / 19°
Monday
Jul 13
26° / 19°
Tuesday
Jul 14
26° / 18°
Wednesday
Jul 15
27° / 19°
Thursday
Jul 16
26° / 19°
Friday
Jul 17
25° / 19°
Saturday
Jul 18
23° / 17°
Sunday
Jul 19
26° / 16°
Monday
Jul 20
27° / 18°
Tuesday
Jul 21
25° / 18°
Wednesday
Jul 22
25° / 17°
Thursday
Jul 23
27° / 18°
Friday
Jul 24
29° / 20°
Saturday
Jul 25
26° / 18°
Sunday
Jul 26
26° / 18°
Monday
Jul 27
27° / 20°
Tuesday
Jul 28
28° / 20°
Wednesday
Jul 29
26° / 19°
Thursday
Jul 30
25° / 19°
Friday
Jul 31
26° / 18°
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.