Lake Dardanelle Weather Forecast

    • 61
    • 84

    Becoming Sunny

    • 67
    • 90

    Mostly Sunny

    • 70
    • 91

    Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

    • 65
    • 84

    Chance Rain Showers

Today 10 Oct Southern Johnson County

Sunny. Highs in the mid 80s. South Winds around 5 Mph.

Tonight 10 Oct Southern Johnson County

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph, becoming north around 5 Mph after midnight.

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Lake Dardanelle Temperature Statistics

October Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 7 October, 2026

    50 °F

  • Average October

    71.4 °F

  • Highest 8 October, 2026

    91.9 °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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