Climate almanac
Castle Rock
Colorado, United States · 39.37°, -104.86°
What is the weather like in Castle Rock in October?
In October, Castle Rock is typically 65°F (18°C) during the day and 35°F (2°C) at night. The month brings about 1.0 in (25 mm) of precipitation in total. Snowfall averages about 3.1 in (78 mm) over the month.
- Average high65°F (18°C)
- Average low35°F (2°C)
- Precipitation1.0 in (25 mm)
- Clear or mostly clear days20
- Snowfall3.1 in (78 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)