Climate almanac
Half Moon Bay
California, United States · 37.46°, -122.43°
What is the weather like in Half Moon Bay in October?
In October, Half Moon Bay is typically 65°F (18°C) during the day and 56°F (13°C) at night. The month brings about 1.1 in (27 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low56°F (13°C)
- Precipitation1.1 in (27 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)