Lake Dardanelle Weather Forecast

    • 74
    • 91

    Sunny

    • 73
    • 88

    Mostly Sunny

    • 76
    • 92

    Mostly Cloudy

    • 78
    • 94

    Mostly Sunny

    • 80
    • 98

    Hot

    • 79
    • 101

    Hot

Today 22 Jul Southern Johnson County

Sunny. Not as warm with Highs in the lower 90s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast with Gusts up to 20 Mph.

Tonight 22 Jul Southern Johnson County

Clear. Lows in the lower 70s. Northeast Winds 5 to 10 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

    83.3 °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

    75.5 °F
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