Lake Dardanelle Weather Forecast

    • 63
    • 82

    Partly Sunny

    • 66
    • 86

    Partly Sunny

    • 69
    • 85

    Partly Sunny

    • 69
    • 85

    Chance Rain Showers

    • 71
    • 86

    Mostly Cloudy

    • 71
    • 88

    Chance Rain Showers

    • 66
    • 81

    Chance Rain Showers

Today 24 Sep Southern Johnson County

Mostly sunny with a 40 percent chance of Showers. Locally heavy rainfall possible in the morning. Highs in the lower 80s.

Tonight 24 Sep Southern Johnson County

Mostly cloudy this Evening, then becoming partly cloudy. Lows around 60. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

September Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 20 September, 2026

    66.7 °F

  • Average September

    85.5 °F

  • Highest 8 September, 2026

    104.6 °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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