Monthly Historical AveragesMattawan, ON
Average Temperature
High
18°
Feels 18
Low
6°
Feels 4
Average Precipitation
12 Days
73.6mm
2.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, May 17, 2026
Day
19°Feels 19
Wind
11 km/h N
Gust
28 km/h
Humidity
39%
P.O.P
20%
Night
10°Feels 8
Wind
14 km/h N
Gust
36 km/h
Humidity
94%
P.O.P
90%
Rain
2-4 mm
Historical AveragesMay 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity