Climate almanac
Duncan
Oklahoma, United States · 34.50°, -97.96°
What is the weather like in Duncan in October?
In October, Duncan is typically 78°F (26°C) during the day and 56°F (13°C) at night. The month brings about 3.5 in (89 mm) of precipitation in total.
- Average high78°F (26°C)
- Average low56°F (13°C)
- Precipitation3.5 in (89 mm)
- Clear or mostly clear days20
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)