The temperatures in Casper in August are comfortable with low of 13°C and and high up to 27°C.
The wather in Casper 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 Casper in August 2025.
If you’re planning to visit Casper in the near future, we highly recommend that you review the 14 day weather forecast for Casper before you arrive.
Temperatures
27° / 13°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
38
mm
Sun Hours
11.9
Hrs
