Slidell Weather Forecast

    • 68
    • 89

    Decreasing Clouds

    • 65
    • 88

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 61
    • 84

    Sunny

    • 61
    • 85

    Mostly Sunny

    • 63
    • 87

    Sunny

Today 8 Oct Southeast St. Tammany

Partly sunny. Near steady temperature in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 8 Oct Southeast St. Tammany

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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Slidell Temperature Statistics

October Temperature

Slidell, Slidell Airport (5 miles)

  • Lowest 2 October, 2025

    66.9 °F

  • Average October

    75.8 °F

  • Highest 6 October, 2025

    87.1 °F

Climate (2020–Present)

Slidell, Slidell Airport (5 miles)

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  • Average Low 2020–2025

    59.9 °F

  • Average 2020–2025

    69.9 °F

  • Average High 2020–2025

    80.5 °F
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