Lake Dardanelle Weather Forecast

    • 75
    • 92

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 74
    • 89

    Thunderstorms Likely

    • 75
    • 89

    Thunderstorms Likely

    • 76
    • 93

    Slight Chance Thunderstorms

    • 76
    • 95

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

Today 6 Jul Southern Johnson County

Mostly sunny. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds around 5 Mph, becoming southwest. Chance of rain 40 percent. Average rainfall less than 1/10 inch.

Tonight 6 Jul Southern Johnson County

Partly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear with a slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. East Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 40 percent. Average rainfall less than 1/10 inch.

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Lake Dardanelle Temperature Statistics

July Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 2 July, 2025

    69.1 °F
  • Average July

    80.5 °F
  • Highest 4 July, 2025

    91.9 °F

Climate (2020–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    51.3 °F
  • Average 2020–2025

    62.4 °F
  • Average High 2020–2025

    74 °F
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