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.

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• January
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For a detailed overview over the year and the best time to visit the United States of America, check out our Issaquah's climate page.

Issaquah Temperature in October

Min Temperature 7°C (45°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 59%  

Precipitation 148 mm (5.8 in)  

Rainy days 18 days  

Humidity 78% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 143 hours *  

Percentage Sunshine 42% *  

* Data from: Seattle, the United States of America (21 KM, 13 Miles).

What to Wear in Issaquah in October

The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Issaquah in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Issaquah's climate page.

More climate data for Issaquah

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Issaquah climate overview or explore weather in the United States of America.