Lake Dardanelle Weather Forecast

    • 74
    • 94

    Mostly Sunny

    • 70
    • 93

    Partly Sunny

    • 64
    • 80

    Chance Rain Showers

    • 63
    • 73

    Chance Rain Showers

    • 64
    • 79

    Partly Sunny

    • 63
    • 75

    Chance Rain Showers

Today 23 Aug Southern Johnson County

Sunny. Highs in the mid 90s. East Winds around 5 Mph, becoming north this afternoon.

Tonight 23 Aug Southern Johnson County

Partly cloudy in the Evening, then clearing. Lows around 70. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

August Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 3 August, 2025

    62.7 °F

  • Average August

    85.7 °F

  • Highest 17 August, 2025

    106.6 °F

Climate (2020–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    62.5 °F

  • Average High 2020–2025

    74.2 °F
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