Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -7° | 12 | 15 | 4 | 66 mm | Awful | Port Huron in January |
| February | -1° / -7° | 10 | 13 | 5 | 70 mm | Awful | Port Huron in February |
| March | 5° / -3° | 8 | 19 | 3 | 81 mm | Awful | Port Huron in March |
| April | 11° / 3° | 9 | 19 | 1 | 113 mm | Bad | Port Huron in April |
| May | 18° / 9° | 8 | 23 | 0 | 95 mm | Ok | Port Huron in May |
| June | 23° / 14° | 8 | 22 | 0 | 104 mm | Good | Port Huron in June |
| July | 26° / 18° | 8 | 23 | 0 | 82 mm | Good | Port Huron in July |
| August | 25° / 17° | 7 | 24 | 0 | 84 mm | Good | Port Huron in August |
| September | 22° / 14° | 7 | 23 | 0 | 84 mm | Ok | Port Huron in September |
| October | 15° / 8° | 9 | 22 | 0 | 112 mm | Ok | Port Huron in October |
| November | 8° / 2° | 8 | 20 | 1 | 76 mm | Bad | Port Huron in November |
| December | 2° / -3° | 11 | 17 | 3 | 70 mm | Awful | Port Huron in December |