Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

This Afternoon

Temperature: 76°F

Wind Speed: 3 to 7 mph

Wind Direction: NW

Forecast: Sunny, with a high near 76. Northwest wind 3 to 7 mph.

Tonight

Temperature: 57°F

Wind Speed: 2 to 8 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 57. North northeast wind 2 to 8 mph.

Saturday

Temperature: 78°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 78. North wind 2 to 6 mph.

Saturday Night

Temperature: 60°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 60. North northeast wind around 6 mph.

Sunday

Temperature: 83°F

Wind Speed: 3 to 7 mph

Wind Direction: N

Forecast: Sunny, with a high near 83. North wind 3 to 7 mph.

Sunday Night

Temperature: 64°F

Wind Speed: 3 to 7 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 64.

Monday

Temperature: 84°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Sunny, with a high near 84.

Monday Night

Temperature: 63°F

Wind Speed: 2 to 6 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 63.

Tuesday

Temperature: 81°F

Wind Speed: 6 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 81.

Tuesday Night

Temperature: 60°F

Wind Speed: 6 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 60.

Wednesday

Temperature: 76°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: Partly sunny, with a high near 76.

Wednesday Night

Temperature: 59°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 59.

Thursday

Temperature: 73°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a high near 73.

Thursday Night

Temperature: 58°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 58.