Monthly Historical AveragesPort Colborne, ON
Average Temperature
High
25°
Feels 26
Low
18°
Feels 18
Average Precipitation
12 Days
85.9mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, August 18, 2026
Day
24°Feels 28
Wind
23 km/h SW
Gust
36 km/h
Humidity
57%
P.O.P
10%
Night
21°Feels 22
Wind
24 km/h SW
Gust
38 km/h
Humidity
88%
P.O.P
70%
Rain
~1 mm
Historical AveragesAug 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity