Lake Dardanelle Weather Forecast

    • 72
    • 92

    Slight Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Mostly Sunny

    • 77
    • 93

    Mostly Sunny

    • 79
    • 95

    Mostly Sunny

    • 77
    • 93

    Chance Thunderstorms

    • 77
    • 92

    Chance Thunderstorms

Today 5 Jul Southern Johnson County

Mostly sunny. Highs in the lower 90s. West Winds around 5 Mph.

Tonight 5 Jul Southern Johnson County

Partly cloudy. Lows in the upper 60s. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

July Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 2 July, 2026

    72.6 °F

  • Average July

    83.9 °F

  • Highest 1 July, 2026

    96.7 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    75.4 °F
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