Climate almanac
Issaquah
Washington, United States · 47.53°, -122.03°
What is the weather like in Issaquah in April?
In April, Issaquah is typically 59°F (15°C) during the day and 42°F (5°C) at night. The month brings about 5.1 in (130 mm) of precipitation in total. Snowfall averages about 0.4 in (9 mm) over the month.
- Average high59°F (15°C)
- Average low42°F (5°C)
- Precipitation5.1 in (130 mm)
- Clear or mostly clear days5
- Snowfall0.4 in (9 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)