The temperatures in Port Huron in August are comfortable with low of 17°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Port Huron 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 Port Huron in August 2025.
If you’re planning to visit Port Huron in the near future, we highly recommend that you review the 14 day weather forecast for Port Huron before you arrive.
Temperatures
25° / 17°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
84
mm
Sun Hours
7.3
Hrs