Weather in Mercer Island, Washington, United States

7-Day Detailed Weather Forecast for Mercer Island

Today

Temperature: 77°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Partly sunny, with a high near 77. South southwest wind around 6 mph.

Tonight

Temperature: 62°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Rain showers. Mostly cloudy, with a low around 62. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

Temperature: 71°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Rain showers before 11am, then showers and thunderstorms. Cloudy, with a high near 71. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Temperature: 58°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

Temperature: 71°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: A chance of rain showers before 5pm. Partly sunny, with a high near 71. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Temperature: 56°F

Wind Speed: 3 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 56.

Friday

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 76.

Friday Night

Temperature: 58°F

Wind Speed: 5 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 58.

Saturday

Temperature: 79°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 79.

Saturday Night

Temperature: 61°F

Wind Speed: 2 to 6 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 61.

Sunday

Temperature: 81°F

Wind Speed: 2 to 7 mph

Wind Direction: N

Forecast: Sunny, with a high near 81.

Sunday Night

Temperature: 63°F

Wind Speed: 3 to 7 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 63.

Monday

Temperature: 85°F

Wind Speed: 3 to 7 mph

Wind Direction: N

Forecast: Sunny, with a high near 85.

Monday Night

Temperature: 65°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 65.