Lake Dardanelle Weather Forecast

    • 74
    • 91

    Increasing Clouds

    • 74
    • 87

    Rain Showers Likely

    • 76
    • 90

    Slight Chance Thunderstorms

    • 77
    • 92

    Mostly Sunny

    • 77
    • 94

    Mostly Sunny

    • 78
    • 95

    Mostly Sunny

Today 14 Jul Southern Johnson County

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph. Average rainfall less than 1/10 inch.

Tonight 14 Jul Southern Johnson County

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

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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

    83.6 °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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