Monthly Historical AveragesPort Colborne, ON
Average Temperature
High
17°
Feels 16
Low
9°
Feels 7
Average Precipitation
12 Days
85.5mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, May 12, 2026
Day
12°Feels 12
Wind
11 km/h SW
Gust
17 km/h
Humidity
44%
P.O.P
30%
Night
10°Feels 6
Wind
37 km/h E
Gust
56 km/h
Humidity
100%
P.O.P
100%
Rain
~10 mm
Historical AveragesMay 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity