Weather Forecast and Radar for Sammamish, Washington

Weather in Sammamish, WA

Sammamish, Washington, United States has a mild climate year-round. During the winter months, temperatures average between 27-45 degrees Fahrenheit. January is typically the coldest month with temperatures ranging from 27-36 degrees. Snowfall is rare, but does occur occasionally.

In the spring, temperatures range from 40-60 degrees Fahrenheit. April is usually the warmest month of the season, with temperatures ranging from 40-50 degrees. Rainfall is common during this season.

Summer temperatures in Sammamish range from 50-75 degrees Fahrenheit. July is usually the hottest month, with temperatures ranging from 50-75 degrees. Rainfall is common during this season, but thunderstorms are rare.

Fall temperatures in Sammamish range from 45-60 degrees Fahrenheit. October is usually the coolest month of the season, with temperatures ranging from 45-55 degrees. Rainfall is common during this season.

Fast Facts About Sammamish, WA

As of 2020, the city population is 65265.

Major Cities Nearby Sammamish, WA

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