Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

Overnight

Temperature: 33°F

Wind Speed: 2 mph

Wind Direction: SSW

Forecast: A chance of rain and snow showers. Mostly cloudy. Low around 33, with temperatures rising to around 35 overnight. South southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 44°F

Wind Speed: 3 mph

Wind Direction: S

Forecast: A chance of rain and snow showers before noon, then rain and snow showers likely. Mostly cloudy. High near 44, with temperatures falling to around 42 in the afternoon. South wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night

Temperature: 31°F

Wind Speed: 3 mph

Wind Direction: ENE

Forecast: A chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and 3am. Mostly cloudy, with a low around 31. East northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Temperature: 42°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Partly sunny, with a high near 42. North wind around 6 mph.

Thursday Night

Temperature: 28°F

Wind Speed: 1 to 6 mph

Wind Direction: ENE

Forecast: Partly cloudy, with a low around 28. East northeast wind 1 to 6 mph.

Friday

Temperature: 45°F

Wind Speed: 1 to 5 mph

Wind Direction: SSE

Forecast: A slight chance of snow between 10am and 1pm, then a chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 30%.

Friday Night

Temperature: 34°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 34.

Saturday

Temperature: 51°F

Wind Speed: 5 to 8 mph

Wind Direction: ESE

Forecast: A chance of rain and snow. Mostly cloudy, with a high near 51.

Saturday Night

Temperature: 40°F

Wind Speed: 9 mph

Wind Direction: E

Forecast: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 40.

Sunday

Temperature: 54°F

Wind Speed: 7 mph

Wind Direction: E

Forecast: Rain. Mostly cloudy, with a high near 54.

Sunday Night

Temperature: 41°F

Wind Speed: 6 mph

Wind Direction: ESE

Forecast: Rain. Mostly cloudy, with a low around 41.

Monday

Temperature: 51°F

Wind Speed: 6 mph

Wind Direction: SSE

Forecast: Rain. Mostly cloudy, with a high near 51.

Monday Night

Temperature: 39°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Rain likely. Mostly cloudy, with a low around 39.

Tuesday

Temperature: 52°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Rain likely. Mostly cloudy, with a high near 52.