Weather forecast in Lake Sammamish (WA)

This data display current weather and forecast for the coming days in Lake Sammamish. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Lake Sammamish current temperature and weather

January 13, 2026

Night
50.7°F Feels like: 49.6°F	Clear
	Wind: 4 mph (6.5 Km/h) SE Pressure: 30.37 inHg (1028 hPa) Humidity: 70%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
51.4°F Feels like: 50.7°F	Overcast
	Wind: 0.7 mph (1.1 Km/h) E Pressure: 30.35 inHg (1028 hPa) Humidity: 86%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.1
Day
59.4°F Feels like: 59.5°F	Cloudy
	Wind: 2.7 mph (4.3 Km/h) N Pressure: 30.36 inHg (1028 hPa) Humidity: 90%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.3
Evening
43.9°F Feels like: 41°F	Partly Cloudy
	Wind: 1.1 mph (1.8 Km/h) NE Pressure: 30.38 inHg (1029 hPa) Humidity: 92%	Precip. prob.: 0% Visibility: 1 mi (2 km) UV index: 0

In order for you to be able to estimate what the weather is like in Lake Sammamish throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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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.