Gretna Weather Forecast

    • 64
    • 79

    Rain Showers

    • 64
    • 78

    Mostly Sunny

    • 70
    • 81

    Partly Sunny

    • 72
    • 83

    Chance Thunderstorms

    • 70
    • 83

    Rain Showers Likely

    • 69
    • 81

    Chance Thunderstorms

    • 66
    • 80

    Chance Thunderstorms

Today 3 May Upper Jefferson

Showers likely with a chance of Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 3 May Upper Jefferson

Partly cloudy this Evening, then clearing. Lows in the mid 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gretna Temperature Statistics

May Temperature

New Orleans Naval Air Station - Alvin Callender Field (5.6 miles)

  • Lowest 1 May, 2025

    69.1 °F

  • Average May

    75.9 °F

  • Highest 1 May, 2025

    84 °F

Climate (2020–Present)

New Orleans Naval Air Station - Alvin Callender Field (5.6 miles)

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  • Average Low 2020–2025

    62.2 °F

  • Average 2020–2025

    70.6 °F

  • Average High 2020–2025

    78.8 °F
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