Lake Dardanelle Weather Forecast

    • 49
    • 68

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 56
    • 81

    Sunny

    • 59
    • 81

    Sunny

    • 58
    • 81

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

Today 18 Oct Southern Johnson County

Sunny. Highs in the upper 60s. Southeast Winds around 5 Mph.

Tonight 18 Oct Southern Johnson County

Mostly clear. Lows in the mid 40s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

October Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 7 October, 2026

    50.6 °F

  • Average October

    73.2 °F

  • Highest 12 October, 2026

    94.6 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    75.8 °F
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