Slidell Airport Weather Forecast
- 72
- 91
Thunderstorms Likely
- 72
- 93
Chance Thunderstorms
- 71
- 94
Chance Thunderstorms
- 71
- 95
Mostly Sunny
- 68
- 93
Slight Chance Thunderstorms
- 67
- 89
Slight Chance Thunderstorms
Today 22 Aug Northern St. Tammany
Thunderstorms likely with a chance of Showers. Highs in the lower 90s. North Winds around 5 Mph. Chance of rain 70 percent.
Tonight 22 Aug Northern St. Tammany
Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.
Slidell Airport Temperature Statistics
August Temperature
Slidell, Slidell Airport (0 miles)
Lowest 20 August, 2025
71.1 °FAverage August
82.7 °FHighest 17 August, 2025
97.6 °F
Climate (2020–Present)
Slidell, Slidell Airport (0 miles)
Average Low 2020–2025
59.9 °FAverage 2020–2025
69.9 °FAverage High 2020–2025
80.5 °F