Lake D'Arbonne State Park Weather Forecast

    • 43
    • 53

    Mostly Cloudy

    • 51
    • 57

    Chance Rain Showers

    • 36
    • 66

    Rain Showers

    • 40
    • 55

    Mostly Sunny

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 69

    Mostly Cloudy

    • 54
    • 70

    Partly Sunny

Today 16 Dec Union

Mostly cloudy. Highs in the lower 50s. South Winds around 5 Mph.

Tonight 16 Dec Union

Cloudy. A slight chance of Showers this Evening, then a chance of Showers after midnight. Not as cool. Near steady temperature in the lower 40s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Lake D'Arbonne State Park Temperature Statistics

December Temperature

Ruston, Ruston Regional Airport (18.6 miles)

  • Lowest 14 December, 2025

    24.8 °F

  • Average December

    43.6 °F

  • Highest 12 December, 2025

    69.8 °F

Climate (2020–Present)

Ruston, Ruston Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    76.6 °F
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