Climate almanac
Walnut Creek
California, United States · 37.91°, -122.06°
What is the weather like in Walnut Creek in October?
In October, Walnut Creek is typically 78°F (26°C) during the day and 53°F (12°C) at night. The month brings about 0.9 in (22 mm) of precipitation in total.
- Average high78°F (26°C)
- Average low53°F (12°C)
- Precipitation0.9 in (22 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)