Lake Dardanelle Weather Forecast

    • 46
    • 66

    Sunny

    • 47
    • 67

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 55
    • 80

    Sunny

    • 58
    • 83

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

Today 17 Oct Southern Johnson County

Partly cloudy. Lows in the mid 50s. Highs in the lower 80s.

Tonight 17 Oct Southern Johnson County

Clear. Lows in the lower 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 7 October, 2026

    50.6 °F

  • Average October

    74 °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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