Lake Saint Catherine Weather Forecast

    • 81
    • 88

    Chance Thunderstorms

    • 80
    • 88

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 80
    • 88

    Thunderstorms Likely

    • 81
    • 88

    Rain Showers Likely

    • 81
    • 89

    Chance Thunderstorms

Today 9 Sep Eastern Orleans

Partly sunny. Near steady temperature in the upper 80s. East Winds 10 to 15 Mph.

Tonight 9 Sep Eastern Orleans

Mostly cloudy in the Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows around 80. Southeast Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Saint Catherine Temperature Statistics

September Temperature

Slidell, Slidell Airport (15.5 miles)

  • Lowest 2 September, 2026

    73.7 °F

  • Average September

    82.3 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Slidell, Slidell Airport (15.5 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    80.9 °F
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