The temperatures in Chilliwack in August are quite cold with temperatures between 7°C and 25°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Chilliwack 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 Chilliwack in August 2025.
If you’re planning to visit Chilliwack in the near future, we highly recommend that you review the 14 day weather forecast for Chilliwack before you arrive.
Temperatures
25° / 7°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
62
mm
Sun Hours
10.5
Hrs
