Grand Lake Weather Forecast

    • 63
    • 71

    Chance Rain Showers

    • 60
    • 69

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

    • 58
    • 68

    Mostly Cloudy

    • 59
    • 68

    Mostly Cloudy

    • 59
    • 71

    Mostly Sunny

Today 21 Dec Lower Plaquemines

Partly sunny. Areas of dense fog this morning. A slight chance of Showers this afternoon. Highs in the lower 70s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 21 Dec Lower Plaquemines

Mostly cloudy. A slight chance of Showers in the evening. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

December Temperature

New Orleans Naval Air Station - Alvin Callender Field (13 miles)

  • Lowest 15 December, 2025

    28.9 °F

  • Average December

    53.9 °F

  • Highest 18 December, 2025

    79 °F

Climate (2020–Present)

New Orleans Naval Air Station - Alvin Callender Field (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    62.1 °F

  • Average 2020–2025

    70.7 °F

  • Average High 2020–2025

    78.9 °F
Get WillyWeather+ to remove ads