Monthly Historical AveragesGrimsby, ON
Average Temperature
High
5°
Feels 2
Low
-3°
Feels -8
Average Precipitation
12 Days
88.8mm
16.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, March 18, 2026
Day
0°Feels -6
Wind
26 km/h S
Gust
39 km/h
Humidity
47%
P.O.P
30%
Night
-1°Feels -7
Wind
24 km/h S
Gust
36 km/h
Humidity
86%
P.O.P
40%
Snow
<1 cm
Historical AveragesMar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity