Click on a day for an hourly weather forecast
The temperatures in Slidell in October are comfortable with low of 18°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Slidell during the month of October. 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 Slidell in October 2025.
If you’re planning to visit Slidell in the near future, we highly recommend that you review the 14 day weather forecast for Slidell before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 8° | 7 | 24 | 0 | 100 mm | Ok | Slidell in January |
| February | 18° / 10° | 7 | 21 | 0 | 128 mm | Ok | Slidell in February |
| March | 21° / 13° | 7 | 24 | 0 | 123 mm | Ok | Slidell in March |
| April | 25° / 16° | 7 | 23 | 0 | 146 mm | Good | Slidell in April |
| May | 28° / 20° | 9 | 22 | 0 | 147 mm | Good | Slidell in May |
| June | 32° / 24° | 13 | 17 | 0 | 151 mm | Ok | Slidell in June |
| July | 32° / 25° | 18 | 13 | 0 | 173 mm | Ok | Slidell in July |
| August | 32° / 25° | 20 | 11 | 0 | 244 mm | Ok | Slidell in August |
| September | 30° / 23° | 12 | 18 | 0 | 142 mm | Ok | Slidell in September |
| October | 26° / 18° | 6 | 25 | 0 | 85 mm | Perfect | Slidell in October |
| November | 20° / 12° | 4 | 26 | 0 | 78 mm | Good | Slidell in November |
| December | 17° / 10° | 7 | 24 | 0 | 126 mm | Ok | Slidell in December |