Lake Dardanelle Weather Forecast

    • 75
    • 96

    Increasing Clouds

    • 72
    • 92

    Chance Rain Showers

    • 66
    • 87

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 65
    • 83

    Partly Sunny

Today 20 Sep Southern Johnson County

Mostly sunny. Highs in the upper 90s. Northwest Winds around 5 Mph, becoming south around 5 Mph this afternoon.

Tonight 20 Sep Southern Johnson County

Mostly cloudy. Lows in the lower 70s. South Winds around 5 Mph, becoming northwest after midnight. Average rainfall less than 1/10 inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

September Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 8 September, 2026

    69.7 °F

  • Average September

    86.4 °F

  • Highest 8 September, 2026

    104.6 °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

    64 °F

  • Average High 2021–2026

    75.7 °F
Get WillyWeather+ to remove ads