Lake Dardanelle Weather Forecast

    • 53
    • 72

    Mostly Cloudy

    • 53
    • 68

    Chance Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 46
    • 67

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

Today 29 Apr Southern Johnson County

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 29 Apr Southern Johnson County

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 50. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

April Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 19 April, 2026

    37.9 °F

  • Average April

    66.7 °F

  • Highest 17 April, 2026

    85.6 °F

Climate (2021–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    75.3 °F
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