Monthly Historical AveragesNewmarket, ON
Average Temperature
High
24°
Feels 24
Low
13°
Feels 12
Average Precipitation
11 Days
108.5mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, June 18, 2026
Day
19°Feels 22
Wind
35 km/h W
Gust
70 km/h
Humidity
68%
P.O.P
90%
Rain
~5 mm
Night
13°Feels 11
Wind
27 km/h W
Gust
55 km/h
Humidity
88%
P.O.P
30%
Rain
<1 mm
Historical AveragesJun 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity