Monthly Historical AveragesSt. Catharines, ON
Average Temperature
High
26°
Feels 28
Low
17°
Feels 17
Average Precipitation
12 Days
80.7mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, August 4, 2026
Day
26°Feels 31
Wind
15 km/h SW
Gust
23 km/h
Humidity
53%
P.O.P
10%
Night
17°Feels 17
Wind
10 km/h S
Gust
16 km/h
Humidity
94%
P.O.P
10%
Historical AveragesAug 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity