Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

Overnight

Temperature: 53°F

Wind Speed: 2 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 53. South wind around 2 mph.

Sunday

Temperature: 71°F

Wind Speed: 5 mph

Wind Direction: SSW

Forecast: Partly sunny, with a high near 71. South southwest wind around 5 mph.

Sunday Night

Temperature: 56°F

Wind Speed: 5 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 56. South southwest wind around 5 mph.

Monday

Temperature: 76°F

Wind Speed: 3 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 76. West southwest wind around 3 mph.

Monday Night

Temperature: 56°F

Wind Speed: 3 mph

Wind Direction: N

Forecast: Partly cloudy, with a low around 56. North wind around 3 mph.

Tuesday

Temperature: 79°F

Wind Speed: 5 mph

Wind Direction: WNW

Forecast: Partly sunny, with a high near 79.

Tuesday Night

Temperature: 58°F

Wind Speed: 5 mph

Wind Direction: WSW

Forecast: A chance of rain showers after 11pm. Mostly cloudy, with a low around 58.

Wednesday

Temperature: 69°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Mostly cloudy, with a high near 69.

Wednesday Night

Temperature: 56°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: A chance of rain showers. Mostly cloudy, with a low around 56.

Thursday

Temperature: 69°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Mostly cloudy, with a high near 69.

Thursday Night

Temperature: 55°F

Wind Speed: 5 mph

Wind Direction: WSW

Forecast: A slight chance of rain showers. Mostly cloudy, with a low around 55.

Friday

Temperature: 71°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A slight chance of rain showers before 11am. Partly sunny, with a high near 71.

Friday Night

Temperature: 55°F

Wind Speed: 5 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 55.

Saturday

Temperature: 76°F

Wind Speed: 2 to 6 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 76.