Lake Dardanelle Weather Forecast

    • 42
    • 55

    Increasing Clouds

    • 46
    • 69

    Partly Sunny

    • 52
    • 82

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 59
    • 88

    Sunny

    • 55
    • 89

    Mostly Sunny

Today 17 Mar Southern Johnson County

Mostly sunny. Not as cool with Highs in the mid 50s. Southwest Winds 5 to 10 Mph.

Tonight 17 Mar Southern Johnson County

Mostly cloudy. Not as cool with Lows in the upper 30s. South Winds 5 to 10 Mph, becoming southeast after midnight.

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Lake Dardanelle Temperature Statistics

March Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 12 March, 2026

    34 °F

  • Average March

    62.6 °F

  • Highest 5 March, 2026

    80.7 °F

Climate (2021–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    75.1 °F
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