Monthly Historical AveragesIona, ON
Average Temperature
High
12°
Feels 10
Low
3°
Feels -1
Average Precipitation
10 Days
46.8mm
2.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
16°Feels 15
Wind
21 km/h E
Gust
39 km/h
Humidity
60%
P.O.P
40%
Rain
~1 mm
Night
14°Feels 12
Wind
35 km/h SW
Gust
52 km/h
Humidity
88%
P.O.P
80%
Rain
~1 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity