Monthly Historical AveragesPort Whitby, ON
Average Temperature
High
17°
Feels 17
Low
8°
Feels 7
Average Precipitation
11 Days
92.8mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, May 12, 2026
Day
13°Feels 12
Wind
14 km/h SE
Gust
24 km/h
Humidity
32%
P.O.P
30%
Night
6°Feels 1
Wind
36 km/h E
Gust
45 km/h
Humidity
100%
P.O.P
100%
Rain
10-15 mm
Historical AveragesMay 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity