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Mercer Island, WA

87°F
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Mercer Island

Washington

87°
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Mercer Island, WA Weather
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Winter Center

Today

Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Fri, Jun 19

Partly sunny and very warm Hi: 87°

Tonight: Clear to partly cloudy Lo: 55°

Current Weather

4:31 PM

87°F
RealFeel® 91°
Sunny More Details
RealFeel Shade™ 85°
Heat Index 85°
Wind WNW 2 mph
Wind Gusts 4 mph
Air Quality Fair

Mercer Island Weather Radar

Mercer Island Weather Radar
Static Radar Temporarily Unavailable
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Clouds
Temperature

Hourly Weather

5 PM 83°
rain drop 0%
6 PM 83°
rain drop 0%
7 PM 81°
rain drop 0%
8 PM 79°
rain drop 0%
9 PM 75°
rain drop 0%
10 PM 72°
rain drop 0%
11 PM 69°
rain drop 0%
12 AM 66°
rain drop 0%
1 AM 63°
rain drop 0%
2 AM 60°
rain drop 7%
3 AM 60°
rain drop 7%
4 AM 58°
rain drop 7%

10-Day Weather Forecast

Today

6/19

87° 55°

Partly sunny and very warm

Night: Clear to partly cloudy

1%

Sat

6/20

76° 53°

Turning sunny and pleasant

A crystal-clear sky

25%

Sun

6/21

81° 59°

Mostly sunny and warm

A crystal-clear sky

1%

Mon

6/22

88° 63°

Very warm

Partly cloudy

2%

Tue

6/23

91° 63°

Near-record heat

Mainly clear

3%

Wed

6/24

87° 56°

Mostly sunny and very warm

Mostly clear

11%

Thu

6/25

75° 54°

Not as warm with low clouds

Cloudy with a little rain

15%

Fri

6/26

71° 55°

Morning rain, then a shower

Overcast

69%

Sat

6/27

67° 52°

Mostly cloudy, showers around

Rain tapering off

57%

Sun

6/28

73° 53°

Low clouds may break

Partly cloudy

8%

Sun & Moon

15 hrs 58 mins
Rise 5:11 AM
Set 9:09 PM
Waxing Crescent
Rise 10:44 AM
Set 12:30 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Moderate Data is not supported in this location Ragweed Pollen High Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

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World North America United States Washington Mercer Island

Weather Near Mercer Island:

  • Bellevue, WA
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  • Tacoma, WA
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