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Lake Sammamish water temp

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This data the coastal Lake Sammamish water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Lake Sammamish

Lake Sammamish water temperature now

Current temperature and weather

Data in a table show Lake Sammamish temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Lake Sammamish.

0-3 h3-6 h6-9 h9-12 h
54.3°F55°F54.1°F58.5°F
12-15 h15-18 h18-21 h21-24 h
62.8°F67.5°F65.5°F62.4°F

You may also be interested in other sections of our site for Lake Sammamish: Sunrise and Sunset

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

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Water temperature: min 60°F
 Average temperature  Maximum temperature

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Lake Sammamish is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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