Lake Dardanelle Weather Forecast

    • 69
    • 89

    Increasing Clouds

    • 74
    • 90

    Partly Sunny

    • 71
    • 88

    Rain Showers

    • 68
    • 82

    Rain Showers Likely

    • 66
    • 77

    Rain Showers Likely

    • 61
    • 79

    Slight Chance Rain Showers

Today 29 Sep Southern Johnson County

Mostly sunny. Highs in the upper 80s. East Winds around 5 Mph, becoming southeast this afternoon.

Tonight 29 Sep Southern Johnson County

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. East Winds 5 to 10 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

    83.5 °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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