Monthly Historical AveragesChatham, ON
Average Temperature
High
21°
Feels 21
Low
10°
Feels 8
Average Precipitation
13 Days
78.9mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 9, 2026
Day
19°Feels 19
Wind
34 km/h S
Gust
51 km/h
Humidity
56%
P.O.P
60%
Rain
2-4 mm
Night
7°Feels 4
Wind
30 km/h W
Gust
45 km/h
Humidity
81%
P.O.P
40%
Rain
~1 mm
Historical AveragesMay 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity