Smith Lake Weather Forecast

    • 64
    • 74

    Increasing Clouds

    • 65
    • 78

    Chance Thunderstorms

    • 58
    • 75

    Partly Sunny

    • 58
    • 77

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 58
    • 77

    Partly Sunny

Today 20 Dec Iberville

Mostly sunny. Not as cool with Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 20 Dec Iberville

Mostly cloudy. Not as cool with Lows in the mid 60s. South Winds around 5 Mph.

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Smith Lake Temperature Statistics

December Temperature

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (23 miles)

  • Lowest 15 December, 2025

    26.1 °F

  • Average December

    50.9 °F

  • Highest 18 December, 2025

    81 °F

Climate (2020–Present)

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (23 miles)

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  • Average Low 2020–2025

    60.4 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    81 °F
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