Lake Dardanelle Weather Forecast
- 79
- 97
Hot
- 79
- 97
Hot
- 79
- 100
Hot
- 79
- 101
Hot
- 79
- 101
Hot
- 79
- 101
Hot
Today 11 Aug Southern Johnson County
Sunny, hot with Highs around 100. Southwest Winds 5 to 10 Mph. Heat index Values up to 109.
Tonight 11 Aug Southern Johnson County
Mostly clear. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 107 early in the evening.
Lake Dardanelle Temperature Statistics
August Temperature
Russelville Municipal Airport (15.5 miles)
Lowest 3 August, 2026
66.7 °FAverage August
82.6 °FHighest 5 August, 2026
101.6 °F
Climate (2021–2026)
Russelville Municipal Airport (15.5 miles)
Average Low 2021–2026
52.5 °FAverage 2021–2026
63.8 °FAverage High 2021–2026
75.5 °F