Lake Dardanelle Weather Forecast
- 77
- 95
Mostly Sunny
- 78
- 97
Mostly Sunny
- 79
- 99
Hot
- 79
- 100
Hot
- 79
- 100
Hot
- 79
- 99
Hot
Today 10 Aug Southern Johnson County
Sunny. Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 108.
Tonight 10 Aug Southern Johnson County
Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 106 early in the evening.
Lake Dardanelle Temperature Statistics
August Temperature
Russelville Municipal Airport (15.5 miles)
Lowest 3 August, 2026
66.7 °FAverage August
82.5 °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