Click on a day for an hourly weather forecast
The weather in Peoria in October is hot. The average temperatures are between 21°C and 31°C.
You can expect a few rainy days in Peoria during October, but usually the weather is comfortable in October.
Our weather forecast can give you a great sense of what weather to expect in Peoria in October 2025.
If you’re planning to visit Peoria in the near future, we highly recommend that you review the 14 day weather forecast for Peoria before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 9° | 1 | 30 | 0 | 37 mm | Good | Peoria in January |
| February | 20° / 11° | 2 | 26 | 0 | 30 mm | Good | Peoria in February |
| March | 24° / 14° | 1 | 30 | 0 | 24 mm | Perfect | Peoria in March |
| April | 28° / 17° | 1 | 29 | 0 | 9 mm | Perfect | Peoria in April |
| May | 33° / 21° | 0 | 31 | 0 | 6 mm | Good | Peoria in May |
| June | 38° / 26° | 0 | 30 | 0 | 6 mm | Bad | Peoria in June |
| July | 39° / 30° | 4 | 27 | 0 | 63 mm | Bad | Peoria in July |
| August | 39° / 30° | 3 | 28 | 0 | 66 mm | Bad | Peoria in August |
| September | 36° / 28° | 2 | 28 | 0 | 53 mm | Ok | Peoria in September |
| October | 31° / 21° | 2 | 29 | 0 | 38 mm | Good | Peoria in October |
| November | 24° / 15° | 1 | 29 | 0 | 22 mm | Perfect | Peoria in November |
| December | 18° / 9° | 2 | 29 | 0 | 34 mm | Good | Peoria in December |