Monthly Historical AveragesOrillia, ON
Average Temperature
High
10°
Feels 8
Low
0°
Feels -3
Average Precipitation
8 Days
38.9mm
3.7cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 28, 2026
Day
15°Feels 14
Wind
33 km/h S
Gust
50 km/h
Humidity
82%
P.O.P
90%
Rain
5-10 mm
Night
5°Feels 2
Wind
17 km/h NW
Gust
29 km/h
Humidity
100%
P.O.P
40%
Historical AveragesApr 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity