Slidell Weather Forecast

    • 55
    • 89

    Breezy

    • 50
    • 76

    Sunny

    • 58
    • 78

    Partly Sunny

    • 64
    • 81

    Chance Thunderstorms

    • 55
    • 78

    Rain Showers Likely

    • 56
    • 74

    Slight Chance Rain Showers

Today 20 Oct Wise

Sunny. Much warmer with Highs in the lower 90s. South Winds 10 to 20 Mph with wind Gusts up to 35 Mph are possible.

Tonight 20 Oct Wise

Clear. Lows in the mid 50s. South Winds 5 to 10 Mph, becoming northeast 10 to 15 Mph after midnight.

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Slidell Temperature Statistics

October Temperature

Decatur, Decatur Municipal Airport (13 miles)

  • Lowest 16 October, 2025

    57.4 °F

  • Average October

    75.3 °F

  • Highest 12 October, 2025

    90.5 °F

Climate (2020–Present)

Decatur, Decatur Municipal Airport (13 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    66.5 °F

  • Average High 2020–2025

    76.9 °F
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