The temperatures in Spokane in August are comfortable with low of 14°C and and high up to 29°C.
The wather in Spokane in August can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Spokane in August 2025.
If you’re planning to visit Spokane in the near future, we highly recommend that you review the 14 day weather forecast for Spokane before you arrive.
Temperatures
29° / 14°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
22
mm
Sun Hours
11.8
Hrs