Lake Pontchartrain Weather Forecast

    • 66
    • 82

    Sunny

    • 68
    • 82

    Sunny

    • 69
    • 80

    Mostly Sunny

    • 71
    • 81

    Partly Sunny

    • 74
    • 82

    Partly Sunny

    • 75
    • 82

    Mostly Cloudy

Today 13 May Southeast St. Tammany

Patchy fog this morning. Sunny. Highs in the mid 80s. North Winds around 5 Mph.

Tonight 13 May Southeast St. Tammany

Clear. Lows in the lower 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Pontchartrain Temperature Statistics

May Temperature

Slidell, Slidell Airport (11.2 miles)

  • Lowest 3 May, 2026

    44.7 °F

  • Average May

    68.1 °F

  • Highest 6 May, 2026

    85.6 °F

Climate (2021–Present)

Slidell, Slidell Airport (11.2 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    80.8 °F
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