Click on a day for an hourly weather forecast
The temperatures in Fort Wayne in August are comfortable with low of 17°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Fort Wayne 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 Fort Wayne in August 2025.
If you’re planning to visit Fort Wayne in the near future, we highly recommend that you review the 14 day weather forecast for Fort Wayne before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -7° | 5 | 10 | 16 | 75 mm | Awful | Fort Wayne in January |
| February | 1° / -6° | 5 | 9 | 14 | 80 mm | Awful | Fort Wayne in February |
| March | 8° / 0° | 7 | 16 | 7 | 103 mm | Awful | Fort Wayne in March |
| April | 14° / 5° | 9 | 18 | 3 | 137 mm | Bad | Fort Wayne in April |
| May | 21° / 12° | 9 | 22 | 0 | 152 mm | Ok | Fort Wayne in May |
| June | 26° / 16° | 8 | 22 | 0 | 151 mm | Good | Fort Wayne in June |
| July | 27° / 18° | 8 | 23 | 0 | 126 mm | Good | Fort Wayne in July |
| August | 26° / 17° | 5 | 26 | 0 | 102 mm | Perfect | Fort Wayne in August |
| September | 23° / 13° | 5 | 25 | 0 | 90 mm | Perfect | Fort Wayne in September |
| October | 16° / 8° | 6 | 25 | 0 | 89 mm | Good | Fort Wayne in October |
| November | 9° / 2° | 5 | 20 | 6 | 87 mm | Bad | Fort Wayne in November |
| December | 3° / -3° | 6 | 12 | 13 | 76 mm | Awful | Fort Wayne in December |