The temperatures in Connecticut in August are comfortable with low of 17°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Connecticut 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 Connecticut in August 2025.
If you’re planning to visit Connecticut in the near future, we highly recommend that you review the 14 day weather forecast for Connecticut before you arrive.