Monthly Historical AveragesSt. Catharines, ON
Average Temperature
High
27°
Feels 29
Low
18°
Feels 18
Average Precipitation
12 Days
88.9mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, July 26, 2026
Day
27°Feels 33
Wind
17 km/h SW
Gust
26 km/h
Humidity
54%
P.O.P
40%
Rain
<1 mm
Night
20°Feels 22
Wind
16 km/h W
Gust
24 km/h
Humidity
94%
P.O.P
40%
Rain
~1 mm
Historical AveragesJul 26
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity