The temperatures in Astoria in August are usually low and can range between 12°C and 20°C.
The wather in Astoria 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 Astoria in August 2025.
If you’re planning to visit Astoria in the near future, we highly recommend that you review the 14 day weather forecast for Astoria before you arrive.
Temperatures
20° / 12°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
18
mm
Sun Hours
7.9
Hrs
