Lake Pontchartrain Weather Forecast

    • 48
    • 67

    Slight Chance Thunderstorms

    • 47
    • 63

    Mostly Sunny

    • 51
    • 63

    Mostly Sunny

    • 57
    • 69

    Mostly Cloudy

    • 59
    • 70

    Mostly Cloudy

    • 62
    • 71

    Mostly Cloudy

Today 31 Jan Southeast St. Tammany

Patchy fog in the morning. Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then mostly sunny in the afternoon. Highs in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 31 Jan Southeast St. Tammany

Showers likely with a slight chance of Thunderstorms. Areas of dense fog. Visibility one quarter mile or less at Times. Near steady temperature in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Lake Pontchartrain Temperature Statistics

January Temperature

Slidell, Slidell Airport (11.2 miles)

  • Lowest 22 January, 2025

    8.9 °F

  • Average January

    47.9 °F

  • Highest 5 January, 2025

    78.7 °F

Climate (2020–Present)

Slidell, Slidell Airport (11.2 miles)

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  • Average Low 2020–2025

    59.9 °F

  • Average 2020–2025

    69.8 °F

  • Average High 2020–2025

    80.3 °F
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