Monthly Historical AveragesSt. Catharines, ON
Average Temperature
High
12°
Feels 11
Low
3°
Feels 0
Average Precipitation
12 Days
87.6mm
3.4cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, April 4, 2026
Day
9°Feels 8
Wind
23 km/h NE
Gust
35 km/h
Humidity
81%
P.O.P
40%
Rain
~1 mm
Night
6°Feels 1
Wind
32 km/h W
Gust
50 km/h
Humidity
94%
P.O.P
100%
Rain
10-15 mm
Historical AveragesApr 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity