Lake Dardanelle Weather Forecast

    • 64
    • 91

    Sunny

    • 65
    • 88

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

Today 8 Oct Southern Johnson County

Sunny. Highs in the lower 90s. East Winds around 5 Mph.

Tonight 8 Oct Southern Johnson County

Clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Lake Dardanelle Temperature Statistics

October Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 6 October, 2026

    51.1 °F

  • Average October

    71.6 °F

  • Highest 1 October, 2026

    90.6 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    75.7 °F
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