Lake Dardanelle Weather Forecast

    • 75
    • 89

    Decreasing Clouds

    • 76
    • 91

    Slight Chance Thunderstorms

    • 77
    • 92

    Mostly Sunny

    • 78
    • 95

    Mostly Sunny

    • 78
    • 97

    Hot

    • 78
    • 98

    Hot

Today 16 Jul Southern Johnson County

Mostly sunny. Highs around 90. West Winds 5 to 10 Mph.

Tonight 16 Jul Southern Johnson County

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 70s. West Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

July Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 7 July, 2026

    68.6 °F

  • Average July

    83.4 °F

  • Highest 10 July, 2026

    97.6 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    75.4 °F
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