Monthly Historical AveragesGrand Island, ON
Average Temperature
High
11°
Feels 9
Low
0°
Feels -4
Average Precipitation
9 Days
48mm
5.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
5°Feels 1
Wind
22 km/h SE
Gust
40 km/h
Humidity
65%
P.O.P
100%
Rain
~25 mm
Night
5°Feels 1
Wind
24 km/h SE
Gust
44 km/h
Humidity
100%
P.O.P
90%
Rain
~5 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity