Monthly Historical AveragesArthur, ON
Average Temperature
High
18°
Feels 17
Low
7°
Feels 5
Average Precipitation
12 Days
78.1mm
0.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 25, 2026
Day
22°Feels 23
Wind
13 km/h NW
Gust
20 km/h
Humidity
50%
P.O.P
30%
Night
13°Feels 12
Wind
15 km/h SW
Gust
23 km/h
Humidity
82%
P.O.P
10%
Historical AveragesMay 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity