Lake Dardanelle Weather Forecast

    • 68
    • 85

    Slight Chance Thunderstorms

    • 67
    • 83

    Slight Chance Rain Showers

    • 74
    • 88

    Mostly Cloudy

    • 73
    • 87

    Rain Showers Likely

    • 69
    • 81

    Rain Showers Likely

    • 67
    • 78

    Rain Showers Likely

Today 27 Sep Southern Johnson County

Partly sunny with a 20 percent chance of Showers. Highs in the mid 80s. East Winds around 5 Mph. Average rainfall less than 1/10 inch.

Tonight 27 Sep Southern Johnson County

Partly cloudy with a 20 percent chance of Showers. Lows in the mid 60s. 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 24 September, 2026

    59 °F

  • Average September

    84.4 °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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