Issaquah Weather in October

October in Issaquah sees daytime temperatures around 15°C (59°F) and lows of 7°C (45°F) at night. With around 148 mm (5.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Issaquah in October

Past climate data indicates that roughly 18 days will see rain, totalling around 148 mm (5.8 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Issaquah in October

Daytime temperatures in Issaquah reach 15°C (59°F) in October, dropping to 7°C (45°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Issaquah in October

The area experiences a moderate amount of sunshine, with approximately 143 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Issaquah in October

October sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Issaquah.