Lake Dardanelle Weather Forecast

    • 53
    • 74

    Partly Sunny

    • 53
    • 75

    Mostly Sunny

    • 55
    • 78

    Sunny

    • 56
    • 79

    Sunny

    • 56
    • 77

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 58
    • 78

    Partly Sunny

Today 19 Oct Southern Johnson County

Sunny. Highs in the mid 70s. Southeast Winds around 5 Mph.

Tonight 19 Oct Southern Johnson County

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 40s. Northeast 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 17 October, 2026

    42.1 °F

  • Average October

    72.3 °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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