Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

Overnight

Temperature: 56°F

Wind Speed: 1 mph

Wind Direction: E

Forecast: Partly cloudy, with a low around 56. East wind around 1 mph.

Monday

Temperature: 77°F

Wind Speed: 3 mph

Wind Direction: WSW

Forecast: A slight chance of rain showers between 2pm and 5pm. Mostly sunny, with a high near 77. West southwest wind around 3 mph. Chance of precipitation is 20%.

Monday Night

Temperature: 59°F

Wind Speed: 5 mph

Wind Direction: SSW

Forecast: Partly cloudy, with a low around 59. South southwest wind around 5 mph.

Tuesday

Temperature: 80°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 80. Southwest wind around 5 mph.

Tuesday Night

Temperature: 60°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 60. Northwest wind around 3 mph.

Wednesday

Temperature: 85°F

Wind Speed: 1 to 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 85.

Wednesday Night

Temperature: 60°F

Wind Speed: 5 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 60.

Thursday

Temperature: 81°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Sunny, with a high near 81.

Thursday Night

Temperature: 58°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 58.

Friday

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 76.

Friday Night

Temperature: 57°F

Wind Speed: 5 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 57.

Saturday

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 76.

Saturday Night

Temperature: 56°F

Wind Speed: 1 to 5 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 56.

Sunday

Temperature: 78°F

Wind Speed: 2 to 6 mph

Wind Direction: SW

Forecast: Sunny, with a high near 78.