Climate almanac
Union
Missouri, United States · 38.45°, -91.01°
What is the weather like in Union in October?
In October, Union is typically 71°F (21°C) during the day and 50°F (10°C) at night. The month brings about 3.3 in (84 mm) of precipitation in total.
- Average high71°F (21°C)
- Average low50°F (10°C)
- Precipitation3.3 in (84 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)