Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

Today

Temperature: 74°F

Wind Speed: 6 mph

Wind Direction: NNW

Forecast: Mostly sunny, with a high near 74. North northwest wind around 6 mph.

Tonight

Temperature: 54°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 54. North northeast wind around 6 mph.

Thursday

Temperature: 78°F

Wind Speed: 3 to 7 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 78. North northeast wind 3 to 7 mph.

Thursday Night

Temperature: 58°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 58. North wind around 7 mph.

Friday

Temperature: 85°F

Wind Speed: 5 to 8 mph

Wind Direction: N

Forecast: Sunny, with a high near 85. North wind 5 to 8 mph.

Friday Night

Temperature: 60°F

Wind Speed: 3 to 8 mph

Wind Direction: NNE

Forecast: Clear, with a low around 60.

Saturday

Temperature: 86°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Sunny, with a high near 86.

Saturday Night

Temperature: 63°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 63.

Sunday

Temperature: 86°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 86.

Sunday Night

Temperature: 62°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 62.

Monday

Temperature: 85°F

Wind Speed: 2 to 6 mph

Wind Direction: NNW

Forecast: Sunny, with a high near 85.

Monday Night

Temperature: 61°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 61.

Tuesday

Temperature: 84°F

Wind Speed: 5 mph

Wind Direction: NNW

Forecast: Sunny, with a high near 84.

Tuesday Night

Temperature: 62°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 62.