Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

This Afternoon

Temperature: 45°F

Wind Speed: 2 mph

Wind Direction: SW

Forecast: A chance of rain showers. Partly sunny. High near 45, with temperatures falling to around 43 in the afternoon. Southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 32°F

Wind Speed: 2 mph

Wind Direction: SSE

Forecast: A chance of rain showers before 10pm, then rain and snow showers likely. Mostly cloudy, with a low around 32. South southeast wind around 2 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.

Wednesday

Temperature: 44°F

Wind Speed: 3 mph

Wind Direction: S

Forecast: 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: ESE

Forecast: A chance of rain showers before 10pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. East southeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Temperature: 42°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: A slight chance of rain and snow showers before 4pm. Mostly sunny, with a high near 42. North wind around 6 mph. Chance of precipitation is 20%.

Thursday Night

Temperature: 28°F

Wind Speed: 1 to 6 mph

Wind Direction: NE

Forecast: A slight chance of snow after 4am. Partly cloudy, with a low around 28. Chance of precipitation is 20%.

Friday

Temperature: 45°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A slight chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 45.

Friday Night

Temperature: 35°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 35.

Saturday

Temperature: 50°F

Wind Speed: 7 mph

Wind Direction: E

Forecast: A chance of rain and snow. Mostly cloudy, with a high near 50.

Saturday Night

Temperature: 40°F

Wind Speed: 8 mph

Wind Direction: E

Forecast: A chance of rain. Mostly cloudy, with a low around 40.

Sunday

Temperature: 54°F

Wind Speed: 6 mph

Wind Direction: ESE

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

Sunday Night

Temperature: 40°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: Rain likely. Mostly cloudy, with a low around 40.

Monday

Temperature: 51°F

Wind Speed: 5 mph

Wind Direction: S

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

Monday Night

Temperature: 38°F

Wind Speed: 5 mph

Wind Direction: SSE

Forecast: Rain likely. Mostly cloudy, with a low around 38.