The temperatures in Washington in August are comfortable with low of 12°C and and high up to 27°C.
The wather in Washington 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 Washington in August 2025.
If you’re planning to visit Washington in the near future, we highly recommend that you review the 14 day weather forecast for Washington before you arrive.
Temperatures
27° / 12°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
20
mm
Sun Hours
11.2
Hrs