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SeaTac, WA

78°F
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SeaTac

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SeaTac, WA Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Heat Advisory

July 14 - August 27

Mon 7/14

78° /60°
11%
Increasing clouds and not as warm but pleasant

RealFeel®79°

RealFeel Shade™75°

Max UV Index6 (High)

WindNNW 7 mph

Tue 7/15

87° /63°
0%
Warmer with sunshine and a few clouds
alerts

Heat Advisory

12:00 PM Tuesday - 10:00 PM Wednesday

RealFeel®88°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindN 8 mph

Wed 7/16

92° /57°
0%
Hot with plenty of sun; possible danger of dehydration and heatstroke while doing strenuous activities
alerts

Heat Advisory

12:00 PM Tuesday - 10:00 PM Wednesday

RealFeel®95°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindNW 6 mph

Thu 7/17

84° /59°
1%
Plenty of sun

RealFeel®90°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindWNW 4 mph

Fri 7/18

78° /57°
8%
Beautiful with intervals of clouds and sunshine

RealFeel®78°

RealFeel Shade™74°

Max UV Index4 (Moderate)

WindSW 8 mph

Sat 7/19

73° /56°
25%
Cloudy

RealFeel®73°

RealFeel Shade™73°

Max UV Index2 (Low)

WindSW 7 mph

Sun 7/20

73° /57°
14%
Low clouds

RealFeel®73°

RealFeel Shade™73°

Max UV Index2 (Low)

WindSW 7 mph

Mon 7/21

74° /56°
16%
Mostly cloudy

RealFeel®76°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindWNW 4 mph

Tue 7/22

75° /58°
11%
Sunshine and a few clouds

RealFeel®82°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindNW 1 mph

Wed 7/23

81° /60°
1%
Plenty of sunshine

RealFeel®87°

RealFeel Shade™79°

Max UV Index8 (Very High)

WindSW 5 mph

Thu 7/24

85° /60°
1%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindN 4 mph

Fri 7/25

84° /59°
1%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindWNW 2 mph

Sat 7/26

85° /59°
1%
Mostly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindWNW 4 mph

Sun 7/27

79° /58°
5%
Sunny

RealFeel®86°

RealFeel Shade™78°

Max UV Index8 (Very High)

WindNE 1 mph

Mon 7/28

85° /63°
20%
Mostly sunny and very warm

RealFeel®91°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindNW 1 mph

Tue 7/29

85° /62°
25%
Very warm with increasing cloudiness

RealFeel®84°

RealFeel Shade™84°

Max UV Index6 (High)

WindS 6 mph

Wed 7/30

83° /62°
25%
Times of clouds and sun

RealFeel®83°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindS 5 mph

Thu 7/31

83° /61°
25%
Cloudy

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindS 5 mph

Fri 8/1

82° /62°
10%
Mostly sunny

RealFeel®87°

RealFeel Shade™80°

Max UV Index8 (Very High)

WindS 4 mph

Sat 8/2

83° /62°
25%
Increasing cloudiness

RealFeel®82°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindSSW 6 mph

Sun 8/3

74° /58°
25%
Clouds giving way to some sun

RealFeel®78°

RealFeel Shade™72°

Max UV Index4 (Moderate)

WindSSW 6 mph

Mon 8/4

78° /58°
25%
Increasing clouds

RealFeel®81°

RealFeel Shade™78°

Max UV Index7 (High)

WindSW 1 mph

Tue 8/5

81° /59°
10%
Mostly sunny

RealFeel®86°

RealFeel Shade™79°

Max UV Index7 (High)

WindSSW 2 mph

Wed 8/6

82° /62°
25%
Considerable cloudiness

RealFeel®82°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindSSW 4 mph

Thu 8/7

82° /62°
25%
Mainly cloudy

RealFeel®81°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindS 4 mph

Fri 8/8

76° /61°
25%
Rather cloudy

RealFeel®77°

RealFeel Shade™77°

Max UV Index2 (Low)

WindSSW 2 mph

Sat 8/9

77° /59°
25%
Mostly cloudy and less humid

RealFeel®76°

RealFeel Shade™76°

Max UV Index3 (Moderate)

WindS 5 mph

Sun 8/10

76° /58°
25%
Times of clouds and sun

RealFeel®76°

RealFeel Shade™73°

Max UV Index4 (Moderate)

WindS 6 mph

Mon 8/11

74° /56°
25%
Turning cloudy

RealFeel®74°

RealFeel Shade™74°

Max UV Index5 (Moderate)

WindSSW 5 mph

Tue 8/12

73° /58°
20%
Mostly sunny

RealFeel®80°

RealFeel Shade™73°

Max UV Index7 (High)

WindSE 1 mph

Wed 8/13

81° /61°
25%
Increasing cloudiness

RealFeel®84°

RealFeel Shade™79°

Max UV Index7 (High)

WindS 5 mph

Thu 8/14

80° /61°
60%
Cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindS 5 mph

Fri 8/15

74° /60°
43%
Cloudy with a shower in spots

RealFeel®73°

RealFeel Shade™73°

Max UV Index2 (Low)

WindS 5 mph

Sat 8/16

72° /57°
58%
Mostly cloudy; a thunderstorm in spots in the morning followed by a little rain in the afternoon

RealFeel®72°

RealFeel Shade™72°

Max UV Index2 (Low)

WindS 5 mph

Sun 8/17

72° /56°
25%
Intervals of clouds and sunshine

RealFeel®73°

RealFeel Shade™72°

Max UV Index3 (Moderate)

WindS 4 mph

Mon 8/18

73° /55°
25%
Intervals of clouds and sunshine

RealFeel®75°

RealFeel Shade™73°

Max UV Index4 (Moderate)

WindSSE 2 mph

Tue 8/19

74° /58°
25%
Times of clouds and sun

RealFeel®74°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindSSW 6 mph

Wed 8/20

72° /56°
55%
A morning thundershower; otherwise, times of clouds and sun

RealFeel®72°

RealFeel Shade™71°

Max UV Index3 (Moderate)

WindSSW 6 mph

Thu 8/21

72° /56°
25%
Cloudy

RealFeel®72°

RealFeel Shade™72°

Max UV Index2 (Low)

WindSSE 1 mph

Fri 8/22

71° /57°
55%
Cloudy with a little rain in the afternoon

RealFeel®72°

RealFeel Shade™72°

Max UV Index3 (Moderate)

WindENE 1 mph

Sat 8/23

72° /59°
25%
Clouds limiting sunshine

RealFeel®71°

RealFeel Shade™71°

Max UV Index4 (Moderate)

WindS 6 mph

Sun 8/24

72° /55°
20%
Partial sunshine

RealFeel®78°

RealFeel Shade™71°

Max UV Index6 (High)

WindE 1 mph

Mon 8/25

72° /57°
60%
Plenty of clouds with showers

RealFeel®69°

RealFeel Shade™69°

Max UV Index2 (Low)

WindWSW 8 mph

Tue 8/26

72° /55°
55%
Cloudy with a little rain

RealFeel®69°

RealFeel Shade™69°

Max UV Index1 (Low)

WindSSE 9 mph

Wed 8/27

74° /56°
60%
Still cloudy with showers

RealFeel®71°

RealFeel Shade™71°

Max UV Index1 (Low)

WindSSW 9 mph

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World North America United States Washington SeaTac

Weather Near SeaTac:

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