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Be prepared with the most accurate 10-day forecast for Mercer Island, WA with highs, lows, chance of precipitation from The Weather Channel and Weather.com.
Mercer Island, WA Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days.
23 hours ago · Detailed Forecast. Today. Mostly sunny, with a high near 72. South wind around 6 mph becoming west northwest in the afternoon. Tonight. Mostly cloudy, with a low around 55. North wind 5 to 7 mph becoming light and variable after midnight. Wednesday. Partly sunny, then gradually becoming sunny, with a high near 75.
Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather.com and The Weather Channel.
Lat: 47.54548°N Lon: 122.3147°W Elev: 20.0ft. Overcast. 68°F. 20°C. More Information: Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast. Extended Forecast for. Mercer Island WA. Tonight. Low: 56 °F. Mostly Cloudy. Tuesday. High: 70 °F. Decreasing. Clouds. Tuesday Night. Low: 56 °F. Partly Cloudy. Wednesday. High: 74 °F.
Get the latest hourly weather forecast for Mercer Island, WA, including temperature, precipitation, wind, humidity, air quality and UV index. See the cloud cover, visibility and cloud ceiling for each hour of the day.
Detailed Forecast. Tonight. Cloudy, with a low around 56. East wind around 5 mph becoming calm after midnight. Friday. Partly sunny, with a high near 71. Calm wind becoming north northwest around 6 mph in the afternoon. Friday Night. Mostly cloudy, with a low around 58.
