Lake Dardanelle Weather Forecast

    • 70
    • 91

    Sunny

    • 75
    • 92

    Chance Rain Showers

    • 72
    • 89

    Rain Showers Likely

    • 63
    • 88

    Slight Chance Rain Showers

    • 50
    • 73

    Mostly Sunny

    • 47
    • 67

    Mostly Sunny

Today 12 Oct Southern Johnson County

Sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 12 Oct Southern Johnson County

Clear. Lows in the mid 60s. South Winds 5 to 10 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

October Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 7 October, 2026

    50.6 °F

  • Average October

    72 °F

  • Highest 8 October, 2026

    92.6 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    75.7 °F
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