Climate almanac
Castlereagh
Northern Ireland, United Kingdom · 54.57°, -5.88°
What is the weather like in Castlereagh in October?
In October, Castlereagh is typically 56°F (13°C) during the day and 48°F (9°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total.
- Average high56°F (13°C)
- Average low48°F (9°C)
- Precipitation3.7 in (94 mm)
- Clear or mostly clear days2
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)