Lake Dardanelle Weather Forecast

    • 79
    • 94

    Mostly Sunny

    • 78
    • 95

    Sunny

    • 78
    • 96

    Sunny

    • 79
    • 95

    Mostly Sunny

    • 79
    • 95

    Slight Chance Thunderstorms

    • 79
    • 95

    Mostly Sunny

Today 28 Jun Southern Johnson County

Sunny. Highs in the mid 90s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Heat index Values up to 109.

Tonight 28 Jun Southern Johnson County

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph. Heat index Values up to 108 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

June Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 16 June, 2026

    64.7 °F

  • Average June

    79.7 °F

  • Highest 1 June, 2026

    94.6 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    75.4 °F
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