Lake Dardanelle Weather Forecast

    • 73
    • 91

    Mostly Sunny

    • 74
    • 91

    Slight Chance Thunderstorms

    • 77
    • 92

    Mostly Sunny

    • 78
    • 95

    Mostly Sunny

    • 78
    • 95

    Slight Chance Thunderstorms

    • 77
    • 93

    Chance Thunderstorms

    • 77
    • 92

    Chance Thunderstorms

Today 6 Jul Southern Johnson County

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 50 percent. Average rainfall 1/10 to 1/4 inch.

Tonight 6 Jul Southern Johnson County

Mostly clear. A slight chance of Showers and Thunderstorms this evening. Lows around 70. East Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

July Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 4 July, 2026

    70 °F

  • Average July

    82.8 °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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