Lake Dardanelle Weather Forecast
- 77
- 98
Slight Chance Rain Showers
- 75
- 98
Hot
- 75
- 98
Hot
- 75
- 97
Hot
- 72
- 95
Slight Chance Thunderstorms
- 70
- 90
Partly Sunny
- 70
- 89
Mostly Sunny
Today 17 Sep Southern Johnson County
Mostly sunny. Highs in the lower 90s.
Tonight 17 Sep Southern Johnson County
Mostly clear. A slight chance of Showers this evening. Lows in the lower 70s. East Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 20 percent.
Lake Dardanelle Temperature Statistics
September Temperature
Russelville Municipal Airport (15.5 miles)
Lowest 8 September, 2026
69.7 °FAverage September
86.3 °FHighest 8 September, 2026
104.6 °F
Climate (2021–2026)
Russelville Municipal Airport (15.5 miles)
Average Low 2021–2026
52.5 °FAverage 2021–2026
64 °FAverage High 2021–2026
75.7 °F