Climate almanac
Tri-Cities
Washington, United States · 46.25°, -119.20°
What is the weather like in Tri-Cities in October?
In October, Tri-Cities is typically 68°F (20°C) during the day and 44°F (7°C) at night. The month brings about 1.1 in (27 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low44°F (7°C)
- Precipitation1.1 in (27 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)