The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
South Dundas, ON
Content continues below
Content continues below
August
Average Temperature
High
26°
Feels 27
Low
14°
Feels 14
Average Precipitation
12 Days
Rain amount
84.4mm
Snow amount
0cm
Daily Historical Averages
August 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
25°
18
25°
19
22°
20
23°
21
23°
22
24°
23
26°
24
22°
25
22°
26
23°
27
23°
28
23°
29
23°
30
23°
31
23°
Forecast
Monday, August 17, 2026
Day
25°
Feels 32
Wind
14 km/h NW
Gust
21 km/h
Humidity
61%
P.O.P
60%
Rain
~1 mm
Night
15°
Feels 15
Wind
8 km/h W
Gust
18 km/h
Humidity
100%
P.O.P
20%
Historical Averages
Aug 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.