Lake Dardanelle Weather Forecast

    • 51
    • 69

    Sunny

    • 56
    • 78

    Sunny

    • 48
    • 73

    Sunny

    • 50
    • 72

    Mostly Sunny

    • 57
    • 74

    Chance Thunderstorms

    • 57
    • 68

    Chance Thunderstorms

Today 19 Oct Southern Johnson County

Sunny, cooler with Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 Oct Southern Johnson County

Clear. Lows in the mid 40s. Northwest Winds around 5 Mph, becoming east after midnight.

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Lake Dardanelle Temperature Statistics

October Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 10 October, 2025

    54 °F

  • Average October

    72.5 °F

  • Highest 2 October, 2025

    91 °F

Climate (2020–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    74.3 °F
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