Slidell Weather Forecast

    • 34
    • 56

    Partly Sunny

    • 38
    • 62

    Partly Sunny

    • 42
    • 65

    Partly Sunny

    • 32
    • 63

    Sunny

    • 38
    • 61

    Sunny

    • 31
    • 59

    Partly Sunny

Today 11 Jan Wise

Mostly sunny. Highs in the upper 50s. North Winds around 5 Mph.

Tonight 11 Jan Wise

Mostly cloudy. Lows in the lower 30s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Slidell Temperature Statistics

January Temperature

Decatur, Decatur Municipal Airport (13 miles)

  • Lowest 4 January, 2026

    39.4 °F

  • Average January

    60.1 °F

  • Highest 7 January, 2026

    77.7 °F

Climate (2021–Present)

Decatur, Decatur Municipal Airport (13 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.8 °F

  • Average High 2021–2026

    77.2 °F
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