Lake Dardanelle Weather Forecast

    • 58
    • 84

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 68
    • 88

    Partly Sunny

    • 69
    • 88

    Slight Chance Thunderstorms

    • 73
    • 89

    Chance Rain Showers

    • 69
    • 87

    Rain Showers Likely

Today 13 May Southern Johnson County

Sunny. Highs in the mid 80s. North Winds around 5 Mph.

Tonight 13 May Southern Johnson County

Clear. Lows in the mid 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

May Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 3 May, 2026

    41.6 °F

  • Average May

    64.3 °F

  • Highest 9 May, 2026

    85.6 °F

Climate (2021–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    75.3 °F
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