Lake Pontchartrain Weather Forecast

    • 70
    • 82

    Chance Rain Showers

    • 71
    • 82

    Partly Sunny

    • 70
    • 83

    Mostly Sunny

    • 72
    • 83

    Partly Sunny

    • 72
    • 84

    Mostly Cloudy

    • 74
    • 84

    Mostly Cloudy

    • 72
    • 84

    Chance Rain Showers

Today 25 Apr Southeast St. Tammany

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 25 Apr Southeast St. Tammany

Partly sunny with a slight chance of Showers and Thunderstorms Early, then partly cloudy with a chance of Showers and Thunderstorms this evening. Mostly clear after midnight. Patchy fog after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph Early, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Real-Time

Lake Pontchartrain Temperature Statistics

April Temperature

Slidell, Slidell Airport (11.2 miles)

  • Lowest 8 April, 2025

    43.6 °F

  • Average April

    69.6 °F

  • Highest 3 April, 2025

    86.6 °F

Climate (2020–Present)

Slidell, Slidell Airport (11.2 miles)

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  • Average Low 2020–2025

    59.8 °F

  • Average 2020–2025

    69.8 °F

  • Average High 2020–2025

    80.3 °F
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