Climate almanac
SeaTac
Washington, United States · 47.45°, -122.29°
What is the weather like in SeaTac in October?
In October, SeaTac is typically 60°F (16°C) during the day and 48°F (9°C) at night. The month brings about 5.8 in (147 mm) of precipitation in total.
- Average high60°F (16°C)
- Average low48°F (9°C)
- Precipitation5.8 in (147 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)