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Mercer Island, WA

80°F
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Mercer Island

Washington

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Mercer Island, WA Weather
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August 11 - August 25

Tue 8/11

80° /59°
1%
Mostly sunny and beautiful

RealFeel®87°

RealFeel Shade™78°

Max UV Index7.0 (High)

WindNNW 5 mph

Wed 8/12

77° /58°
24%
Clouds yielding to some sun

RealFeel®80°

RealFeel Shade™75°

Max UV Index6.0 (High)

WindW 6 mph

Thu 8/13

82° /58°
6%
Mostly sunny

RealFeel®84°

RealFeel Shade™80°

Max UV Index7.0 (High)

WindWNW 6 mph

Fri 8/14

83° /60°
14%
Mostly sunny

RealFeel®87°

RealFeel Shade™81°

Max UV Index7.0 (High)

WindWSW 5 mph

Sat 8/15

82° /57°
15%
Areas of low clouds, then some sun

RealFeel®85°

RealFeel Shade™80°

Max UV Index7.0 (High)

WindWNW 4 mph

Sun 8/16

80° /58°
11%
Peeks of sunshine

RealFeel®81°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindNW 5 mph

Mon 8/17

80° /57°
11%
Sun and areas of high clouds

RealFeel®81°

RealFeel Shade™77°

Max UV Index4.0 (Moderate)

WindNNW 6 mph

Tue 8/18

78° /58°
8%
Variable cloudiness

RealFeel®81°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindSSW 4 mph

Wed 8/19

77° /57°
25%
Low clouds

RealFeel®76°

RealFeel Shade™76°

Max UV Index1.0 (Low)

WindSW 5 mph

Thu 8/20

75° /59°
25%
Mostly cloudy

RealFeel®78°

RealFeel Shade™75°

Max UV Index2.0 (Low)

WindESE 4 mph

Fri 8/21

77° /58°
6%
Mostly sunny

RealFeel®80°

RealFeel Shade™75°

Max UV Index6.0 (High)

WindNNW 5 mph

Sat 8/22

78° /59°
1%
Plenty of sunshine

RealFeel®80°

RealFeel Shade™75°

Max UV Index6.0 (High)

WindNNW 5 mph

Sun 8/23

79° /58°
1%
Abundant sunshine

RealFeel®81°

RealFeel Shade™76°

Max UV Index6.0 (High)

WindN 5 mph

Mon 8/24

76° /56°
20%
Plenty of sun

RealFeel®81°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNE 2 mph

Tue 8/25

81° /60°
5%
Sunny

RealFeel®84°

RealFeel Shade™79°

Max UV Index6.0 (High)

WindS 4 mph

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World North America United States Washington Mercer Island

Weather Near Mercer Island:

  • Bellevue, WA
  • Seattle, WA
  • Tacoma, WA
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