The temperatures in Waterloo in August are comfortable with low of 15°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Waterloo during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Waterloo in August 2025.
If you’re planning to visit Waterloo in the near future, we highly recommend that you review the 14 day weather forecast for Waterloo before you arrive.
Temperatures
25° / 15°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
118
mm
Sun Hours
10.9
Hrs
