Monthly Historical AveragesPerth South, ON
Average Temperature
High
12°
Feels 11
Low
1°
Feels -3
Average Precipitation
7 Days
28.3mm
4.3cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 14, 2026
Day
23°Feels 27
Wind
35 km/h W
Gust
53 km/h
Humidity
65%
P.O.P
90%
Rain
~10 mm
Night
13°Feels 12
Wind
28 km/h S
Gust
45 km/h
Humidity
100%
P.O.P
100%
Rain
~10 mm
Historical AveragesApr 14
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity