Slidell Weather Forecast

    • 70
    • 86

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 72
    • 87

    Chance Thunderstorms

    • 73
    • 88

    Slight Chance Thunderstorms

    • 74
    • 92

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

Today 13 Jul Wise

Mostly cloudy with a 50 percent chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 13 Jul Wise

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 30 percent.

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  • Temperature Real-Time

Slidell Temperature Statistics

July Temperature

Decatur, Decatur Municipal Airport (13 miles)

  • Lowest 7 July, 2026

    72.7 °F

  • Average July

    86.8 °F

  • Highest 8 July, 2026

    100.2 °F

Climate (2021–2026)

Decatur, Decatur Municipal Airport (13 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    77.8 °F
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