Slidell Weather Forecast

    • 69
    • 87

    Slight Chance Thunderstorms

    • 74
    • 91

    Partly Sunny

    • 70
    • 95

    Rain Showers Likely

    • 67
    • 86

    Chance Rain Showers

    • 66
    • 80

    Chance Rain Showers

    • 65
    • 83

    Slight Chance Rain Showers

Today 26 Aug Wise

Partly sunny. A slight chance of Sprinkles this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Aug Wise

Partly cloudy in the Evening, then mostly cloudy with a 20 percent chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Slidell Temperature Statistics

August Temperature

Decatur, Decatur Municipal Airport (13 miles)

  • Lowest 4 August, 2025

    69.1 °F

  • Average August

    84.6 °F

  • Highest 8 August, 2025

    100 °F

Climate (2020–Present)

Decatur, Decatur Municipal Airport (13 miles)

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  • Average Low 2020–2025

    56.5 °F

  • Average 2020–2025

    66.4 °F

  • Average High 2020–2025

    76.8 °F
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