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
ForecastMonday, April 27, 2026
Day
14°Feels 13
Wind
18 km/h E
Gust
27 km/h
Humidity
63%
P.O.P
10%
Night
12°Feels 9
Wind
33 km/h SE
Gust
50 km/h
Humidity
72%
P.O.P
60%
Rain
<1 mm
Historical AveragesApr 27
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity