Lake Dardanelle Weather Forecast

    • 73
    • 96

    Slight Chance Thunderstorms

    • 71
    • 91

    Mostly Sunny

    • 72
    • 91

    Mostly Sunny

    • 75
    • 96

    Sunny

    • 76
    • 96

    Mostly Sunny

    • 77
    • 95

    Mostly Sunny

    • 77
    • 97

    Hot

Today 27 Aug Southern Johnson County

Sunny. A slight chance of Showers and Thunderstorms. Highs in the mid 90s. Northeast Winds around 5 Mph. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

Tonight 27 Aug Southern Johnson County

Partly cloudy this Evening, then clearing. Lows in the upper 60s. North Winds around 5 Mph. Average rainfall less than 1/10 inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

August Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 3 August, 2026

    66.7 °F

  • Average August

    85.1 °F

  • Highest 19 August, 2026

    105.7 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    75.6 °F
Get WillyWeather+ to remove ads