Climate almanac
Sammamish
Washington, United States · 47.64°, -122.08°
What is the weather like in Sammamish in August?
In August, Sammamish is typically 77°F (25°C) during the day and 56°F (13°C) at night. The month brings about 1.6 in (41 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low56°F (13°C)
- Precipitation1.6 in (41 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)