Slidell Airport Weather Forecast

    • 69
    • 91

    Mostly Sunny

    • 70
    • 92

    Sunny

    • 72
    • 95

    Mostly Sunny

    • 72
    • 94

    Slight Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

Today 17 Sep Northern St. Tammany

Sunny. Highs in the lower 90s. East Winds 5 to 10 Mph.

Tonight 17 Sep Northern St. Tammany

Clear. Lows in the upper 60s. East Winds around 5 Mph, becoming north after midnight.

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Slidell Airport Temperature Statistics

September Temperature

Slidell, Slidell Airport (0 miles)

  • Lowest 13 September, 2026

    72.6 °F

  • Average September

    82.2 °F

  • Highest 15 September, 2026

    93.9 °F

Climate (2021–2026)

Slidell, Slidell Airport (0 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    81 °F
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