Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

This Afternoon

Temperature: 85°F

Wind Speed: 6 mph

Wind Direction: NW

Forecast: Sunny, with a high near 85. Northwest wind around 6 mph.

Tonight

Temperature: 61°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: Clear. Low around 61, with temperatures rising to around 63 overnight. Northeast wind around 5 mph.

Friday

Temperature: 79°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: Mostly sunny. High near 79, with temperatures falling to around 77 in the afternoon. South southwest wind around 7 mph.

Friday Night

Temperature: 58°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 58. Southwest wind around 6 mph.

Saturday

Temperature: 74°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 74. Southwest wind around 6 mph.

Saturday Night

Temperature: 56°F

Wind Speed: 5 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 56.

Sunday

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 76.

Sunday Night

Temperature: 57°F

Wind Speed: 5 mph

Wind Direction: WNW

Forecast: Mostly cloudy, with a low around 57.

Monday

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A slight chance of rain showers between 11am and 5pm. Partly sunny, with a high near 76.

Monday Night

Temperature: 58°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 58.

Tuesday

Temperature: 79°F

Wind Speed: 5 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 79.

Tuesday Night

Temperature: 59°F

Wind Speed: 5 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 59.

Wednesday

Temperature: 83°F

Wind Speed: 2 to 6 mph

Wind Direction: WSW

Forecast: Sunny, with a high near 83.

Wednesday Night

Temperature: 60°F

Wind Speed: 6 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 60.