Saint Bernard State Park Weather Forecast

    • 49
    • 74

    Chance Thunderstorms

    • 48
    • 60

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

    • 56
    • 70

    Partly Sunny

    • 57
    • 67

    Partly Sunny

    • 56
    • 70

    Partly Sunny

Today 18 Dec Upper St. Bernard

Mostly sunny. Patchy fog. A slight chance of Showers. Not as cool. Near steady temperature in the lower 70s. Southwest Winds around 10 Mph. Chance of rain 20 percent.

Tonight 18 Dec Upper St. Bernard

Patchy fog in the evening. Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Cooler. Less humid with Lows in the upper 40s. West Winds around 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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Saint Bernard State Park Temperature Statistics

December Temperature

New Orleans Naval Air Station - Alvin Callender Field (7.5 miles)

  • Lowest 15 December, 2025

    28.9 °F

  • Average December

    52.5 °F

  • Highest 13 December, 2025

    77 °F

Climate (2020–Present)

New Orleans Naval Air Station - Alvin Callender Field (7.5 miles)

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  • Average Low 2020–2025

    62 °F

  • Average 2020–2025

    70.6 °F

  • Average High 2020–2025

    78.9 °F
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