Climate almanac
Issaquah
Washington, United States · 47.53°, -122.03°
What is the weather like in Issaquah in October?
In October, Issaquah is typically 60°F (15°C) during the day and 44°F (7°C) at night. The month brings about 7.2 in (183 mm) of precipitation in total.
- Average high60°F (15°C)
- Average low44°F (7°C)
- Precipitation7.2 in (183 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)