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Mercer Island, WA
 38° 
Last Updated on Feb 22 2018, 3:53 pm PST
Current ConditionsFair
Relative Humidity39%
Windfrom the Northwest at 11.5 gusting to 16.1 MPH
(10 gusting to 14 KT)
Pressure30.36 mb
Dewpoint15.1 F (-9.4 C)
Wind Chill31 F (-1 C)
Visibility10.00 miles

7-Day Forecast

Tonight
Increasing Clouds
Low: 26°
Increasing clouds with a low around 26.
Wind chill values
between 18 and 23.
North wind 5 to 8 mph becoming
south southeast in the evening.


Friday
Snow Likely then Rain/Snow Likely
High: 38°
Snow likely after 10am, mixing with rain after 4pm.
Mostly cloudy with a high near 38.
Wind chill values
between 18 and 28.
South wind 9 to 11 mph.
Chance of precipitation is 60%.
New snow accumulation of less than one inch possible.


Friday Night
Rain/Snow
Low: 35°
Rain and snow likely before 10pm,
then rain
between 10pm and 4am,
then rain and snow likely after 4am.
Low around 35.
South wind 9 to 15 mph
with gusts as high as 20 mph.
Chance of precipitation is 80%.
New snow accumulation of less than a half inch possible.


Saturday
Rain/Snow Likely then Chance Rain/Snow
High: 44°
Rain and snow showers likely, mainly before 10am.
Mostly cloudy with a high near 44.
West southwest wind around 6 mph becoming
northwest in the morning.
Chance of precipitation is 70%.
Little or no snow accumulation expected.


Saturday Night
Rain Likely
Low: 38°
A chance of showers before 10pm,
then rain likely after 10pm.
Cloudy with a low around 38.
South wind 5 to 10 mph increasing
to 12 to 17 mph in the evening.
Winds could gust as high as 23 mph.
Chance of precipitation is 70%.
New precipitation amounts
between a tenth and quarter of an inch possible.


Sunday
Showers
High: 43°
Rain likely before 10am,
then showers, mainly after 10am.
High near 43.
Chance of precipitation is 80%.
New precipitation amounts
between a tenth and quarter of an inch possible.


Sunday Night
Rain/Snow Likely then Snow Showers Likely
Low: 34°
Rain showers likely before 10pm,
then snow showers likely.
Cloudy with a low around 34.
Chance of precipitation is 70%.
New snow accumulation of less than a half inch possible.


Monday
Chance Snow Showers
High: 42°
A chance of snow showers before 4pm.
Mostly cloudy with a high near 42.


Monday Night
Chance Rain/Snow
Low: 33°
A chance of rain showers before 10pm,
then a chance of rain and snow showers
between 10pm and 4am,
then a chance of snow showers after 4am.
Mostly cloudy with a low around 33.


Tuesday
Chance Rain/Snow
High: 44°
A chance of snow showers before 10am,
then a chance of rain and snow showers.
Mostly cloudy with a high near 44.


Tuesday Night
Chance Rain
Low: 37°
A chance of rain.
Mostly cloudy with a low around 37.


Wednesday
Rain Likely
High: 45°
Rain likely.
Mostly cloudy with a high near 45.


Wednesday Night
Chance Showers then Chance Rain/Snow
Low: 35°
A chance of rain and snow showers.
Mostly cloudy with a low around 35.


Thursday
Chance Rain/Snow then Chance Showers
High: 46°
A chance of rain and snow showers.
Partly sunny with a high near 46.


Source: National Weather Service








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