Monthly Historical AveragesGrimsby, ON
Average Temperature
High
24°
Feels 25
Low
14°
Feels 14
Average Precipitation
11 Days
86.2mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, June 19, 2026
Day
21°Feels 22
Wind
29 km/h W
Gust
44 km/h
Humidity
56%
P.O.P
40%
Rain
~1 mm
Night
13°Feels 11
Wind
28 km/h W
Gust
42 km/h
Humidity
68%
P.O.P
20%
Historical AveragesJun 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity