Lake Dardanelle Weather Forecast

    • 75
    • 89

    Increasing Clouds

    • 79
    • 90

    Mostly Cloudy

    • 79
    • 94

    Partly Sunny

    • 79
    • 100

    Hot

    • 79
    • 100

    Hot

    • 79
    • 101

    Hot

Today 23 Jul Southern Johnson County

Mostly sunny. Highs around 90. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming east with Gusts up to 20 Mph this afternoon.

Tonight 23 Jul Southern Johnson County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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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

    83.5 °F

  • Highest 20 July, 2026

    100 °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

    75.5 °F
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