The temperatures in Rhode Island in August are comfortable with low of 19°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Rhode Island 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 Rhode Island in August 2025.
If you’re planning to visit Rhode Island in the near future, we highly recommend that you review the 14 day weather forecast for Rhode Island before you arrive.
Temperatures
26° / 19°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
94
mm
Sun Hours
11.0
Hrs
