Slidell Weather Forecast

    • 76
    • 98

    Hot

    • 77
    • 98

    Hot

    • 77
    • 99

    Hot

    • 76
    • 99

    Hot

    • 76
    • 99

    Hot

    • 76
    • 98

    Hot

    • 76
    • 99

    Hot

Today 10 Aug Wise

Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 105.

Tonight 10 Aug Wise

Clear. Lows in the mid 70s. South 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 2 August, 2026

    69.8 °F

  • Average August

    87.8 °F

  • Highest 7 August, 2026

    104 °F

Climate (2021–2026)

Decatur, Decatur Municipal Airport (13 miles)

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  • Average Low 2021–2026

    57.3 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    77.8 °F
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