Seattle Lakes

Real-time temperature data for Lake Washington, Lake Sammamish, and Lake Union. Track current temperatures, historical records, and monthly trends.

Seattle Lakes App showing Lake Washington temperature of 66.9° with beautiful mountain and lake scenery

Beautiful Interface, Powerful Data

Experience Seattle's lakes like never before with our intuitive app design

Seattle Lakes App main screen showing current temperature

Real-Time Temperature Display

Get instant access to current lake temperatures with our beautiful, easy-to-read interface. The app displays temperatures in both Fahrenheit and Celsius, with stunning background imagery of Seattle's natural beauty.

  • Current temperature prominently displayed
  • Real-time updates throughout the day
  • Beautiful scenic backgrounds

Historical Records & Trends

Explore comprehensive historical data with our interactive temperature visualization. Track record highs and lows, monthly trends, and see how current temperatures compare to historical patterns.

  • All-time record temperatures
  • Monthly high and low records
  • Visual temperature timeline
Seattle Lakes App showing temperature records and historical data visualization

Seattle Lakes

Detailed information about King County's most popular lakes

Lake Washington
Seattle's largest lake
Lake Washington

Lake Washington is a large freshwater lake adjacent to the city of Seattle. It is the largest lake in King County and the second largest natural lake in the state of Washington.

  • Surface Area: 33.8 sq mi (87.6 km²)
  • Max Depth: 214 ft (65 m)
  • Shoreline: 78 miles (126 km)
Lake Sammamish
Eastside's recreational hub
Lake Sammamish

Lake Sammamish is a freshwater lake located east of Seattle. It's bordered by Redmond to the north and Issaquah to the south, with the city of Sammamish along its eastern shore.

  • Surface Area: 7.7 sq mi (19.8 km²)
  • Max Depth: 105 ft (32 m)
  • Shoreline: 17 miles (27 km)
Lake Union
Seattle's urban lake
Lake Union

Lake Union is a freshwater lake entirely within the Seattle city limits. The lake is a major hub for recreation, tourism, and industry, surrounded by houseboats and seaplanes.

  • Surface Area: 0.9 sq mi (2.3 km²)
  • Max Depth: 50 ft (15 m)
  • Shoreline: 7 miles (11 km)

App Features

Everything you need to know about Seattle's lakes at your fingertips

Real-Time Temperatures

Get up-to-the-minute temperature readings from all three lakes

Historical Records

View all-time high and low temperature records for each lake

Monthly Trends

Track the current month's temperature highs and lows

Mobile Friendly

Available on iOS and Android devices for on-the-go access

Regular Updates

Constantly updated with the latest lake data

Download

Download the app from Apple Store and Google Play

Download the App

Get Seattle Lakes on your device today

Latest from Our Blog

Stay updated with the latest news and information about Seattle's lakes

Seattle's Lakes: Navigating the Challenges of Rising Temperatures and Water Quality
July 15, 2025
Seattle lakes monitoring and water quality

Explore how rising temperatures and water quality issues impact Seattle's lakes, affecting wildlife and recreational activities.

Seattle Lakes: A Dive into Water Temperatures, Quality, and Recreation
July 10, 2025
Seattle lakes monitoring and water quality

Explore Seattle's lakes and how climate and urbanization impact water quality and recreational use.