Monthly Historical AveragesBrockville, ON
Average Temperature
High
20°
Feels 19
Low
8°
Feels 7
Average Precipitation
12 Days
57.6mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 21, 2026
Day
15°Feels 14
Wind
19 km/h N
Gust
29 km/h
Humidity
36%
P.O.P
20%
Night
5°Feels 3
Wind
11 km/h NE
Gust
17 km/h
Humidity
65%
P.O.P
10%
Historical AveragesMay 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity