Duncan Lake Weather Forecast
- 48
- 75
Mostly Sunny
- 45
- 76
Mostly Sunny
- 51
- 78
Mostly Sunny
- 55
- 83
Partly Sunny
- 47
- 80
Slight Chance Rain Showers
- 44
- 66
Chance Rain Showers
Today 25 Feb Stephens
Mostly sunny. Highs in the mid 70s. East Winds 5 to 10 Mph.
Tonight 25 Feb Stephens
Mostly clear. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.
Duncan Lake Temperature Statistics
February Temperature
Duncan, Halliburton Field Airport (8.7 miles)
Lowest 1 February, 2026
17.6 °FAverage February
52.7 °FHighest 8 February, 2026
80.6 °F
Climate (2021–Present)
Duncan, Halliburton Field Airport (8.7 miles)
Average Low 2021–2026
52.4 °FAverage 2021–2026
63.5 °FAverage High 2021–2026
75.5 °F