The weather in Marietta in August is hot. The average temperatures are between 22°C and 32°C.
You can expect about 3 to 8 days of rain in Marietta 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 Marietta in August 2025.
If you’re planning to visit Marietta in the near future, we highly recommend that you review the 14 day weather forecast for Marietta before you arrive.
Temperatures
32° / 22°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
168
mm
Sun Hours
11.0
Hrs
