Weather Forecast and Radar for Issaquah, Washington

Weather in Issaquah, WA

Summer in Issaquah, Washington is generally mild, with temperatures averaging between 70 and 75 degrees Fahrenheit. However, heat waves are not unheard of, with temperatures reaching into the mid-80s. Nights are usually cool, with temperatures dropping into the mid-50s. Rainfall is frequent in the summer, with a few inches of rain each month.

Autumn in Issaquah is often mild, with temperatures ranging from the mid-50s to the mid-70s. Rainfall is more frequent in the autumn, with around five inches of rain each month.

Winter in Issaquah can get cold, with temperatures ranging from the mid-30s to the mid-50s. Snowfall is not unheard of, but it is usually light and melts quickly.

Spring in Issaquah is usually mild and pleasant, with temperatures ranging from the mid-50s to the mid-70s. Rainfall is frequent, with around four inches of rain each month.

Fast Facts About Issaquah, WA

As of 2020, the city population is 38707.

Major Cities Nearby Issaquah, WA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Issaquah, Washington.