Lake Dardanelle Weather Forecast

    • 75
    • 91

    Mostly Cloudy

    • 71
    • 85

    Rain Showers

    • 66
    • 79

    Rain Showers

    • 64
    • 76

    Chance Rain Showers

    • 61
    • 80

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

Today 30 Sep Southern Johnson County

Mostly cloudy. Highs in the lower 90s. East Winds around 5 Mph, becoming south with Gusts up to 25 Mph this afternoon.

Tonight 30 Sep Southern Johnson County

Mostly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

September Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 25 September, 2026

    57.7 °F

  • Average September

    83.1 °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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