Hourly Weather Forecast for SeaTac, Washington 98158 - The Weather Channel | Weather.com
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Hourly Weather-

As of 5:49 am PDT
alertLevel3

Small Craft Advisory

Rain

Rain possible around 6:15 AM.

Monday, March 16

6 am

Showers Showers
43°
Rain drop 35%
S 9 mph
Subtract

Showers

  • Temperature feels like
    Feels Like38°
  • WindS 9 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in

6:15 am

Showers Showers
44°
Rain drop 35%
S 9 mph

6:30 am

Cloudy Cloudy
44°
Rain drop 14%
S 9 mph

6:45 am

Cloudy Cloudy
44°
Rain drop 15%
S 9 mph

7 am

Showers Few Showers
44°
Rain drop 45%
S 10 mph
Add

Few Showers

  • Temperature feels like
    Feels Like39°
  • WindS 10 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

8 am

Showers Showers
45°
Rain drop 58%
S 9 mph
Add

Showers

  • Temperature feels like
    Feels Like40°
  • WindS 9 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

9 am

Showers Showers
46°
Rain drop 52%
S 9 mph
Add

Showers

  • Temperature feels like
    Feels Like42°
  • WindS 9 mph
  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0 in

10 am

Cloudy Cloudy
47°
Rain drop 9%
S 9 mph
Add

Cloudy

  • Temperature feels like
    Feels Like43°
  • WindS 9 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0 in

11 am

Cloudy Cloudy
48°
Rain drop 6%
SSW 10 mph
Add

Cloudy

  • Temperature feels like
    Feels Like44°
  • WindSSW 10 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0 in
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12 pm

Cloudy Cloudy
49°
Rain drop 3%
SSW 10 mph
Add

Cloudy

  • Temperature feels like
    Feels Like45°
  • WindSSW 10 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0 in

1 pm

Cloudy Cloudy
51°
Rain drop 5%
SSW 9 mph
Add

Cloudy

  • Temperature feels like
    Feels Like47°
  • WindSSW 9 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover89%
  • Rain drop
    Rain Amount0 in

2 pm

Cloudy Cloudy
52°
Rain drop 4%
S 10 mph
Add

Cloudy

  • Temperature feels like
    Feels Like48°
  • WindS 10 mph
  • Humidity
    Humidity80%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

3 pm

Cloudy Cloudy
54°
Rain drop 3%
SSW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like51°
  • WindSSW 11 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover81%
  • Rain drop
    Rain Amount0 in

4 pm

Mostly Cloudy Day Mostly Cloudy
56°
Rain drop 3%
SSW 11 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like53°
  • WindSSW 11 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover77%
  • Rain drop
    Rain Amount0 in

5 pm

Cloudy Cloudy
57°
Rain drop 5%
SW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindSW 11 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover84%
  • Rain drop
    Rain Amount0 in

6 pm

Cloudy Cloudy
56°
Rain drop 6%
SSW 8 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindSSW 8 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0 in

7 pm

Cloudy Cloudy
54°
Rain drop 7%
SSW 8 mph
Add

Cloudy

  • Temperature feels like
    Feels Like52°
  • WindSSW 8 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Rain drop
    Rain Amount0 in

8 pm

Cloudy Cloudy
53°
Rain drop 8%
SSW 9 mph
Add

Cloudy

  • Temperature feels like
    Feels Like49°
  • WindSSW 9 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover91%
  • Rain drop
    Rain Amount0 in

9 pm

Cloudy Cloudy
52°
Rain drop 8%
SW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like48°
  • WindSW 11 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover81%
  • Rain drop
    Rain Amount0 in

10 pm

Cloudy Cloudy
51°
Rain drop 10%
SSW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like47°
  • WindSSW 11 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Rain drop
    Rain Amount0 in

11 pm

Cloudy Cloudy
50°
Rain drop 18%
SSW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like46°
  • WindSSW 11 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in
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Tuesday, March 17

12 am

Showers Showers
50°
Rain drop 46%
SSW 10 mph
Add

Showers

  • Temperature feels like
    Feels Like46°
  • WindSSW 10 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.01 in

1 am

Showers Showers
50°
Rain drop 52%
SSW 11 mph
Add

Showers

  • Temperature feels like
    Feels Like46°
  • WindSSW 11 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.01 in

2 am

Showers Showers
50°
Rain drop 58%
S 11 mph
Add

Showers

  • Temperature feels like
    Feels Like45°
  • WindS 11 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.02 in

3 am

Rain Rain
50°
Rain drop 67%
S 11 mph
Add

Rain

  • Temperature feels like
    Feels Like46°
  • WindS 11 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in

4 am

Showers Showers
50°
Rain drop 54%
S 12 mph
Add

Showers

  • Temperature feels like
    Feels Like45°
  • WindS 12 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover94%
  • Rain drop
    Rain Amount0.01 in

5 am

Showers Showers
49°
Rain drop 47%
SSW 12 mph
Add

Showers

  • Temperature feels like
    Feels Like44°
  • WindSSW 12 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0.01 in

6 am

Showers Showers
49°
Rain drop 54%
S 12 mph
Add

Showers

  • Temperature feels like
    Feels Like45°
  • WindS 12 mph
  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0.02 in

7 am

Showers Showers
49°
Rain drop 41%
S 12 mph
Add

Showers

  • Temperature feels like
    Feels Like45°
  • WindS 12 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0.01 in

8 am

Showers Showers
50°
Rain drop 40%
S 11 mph
Add

Showers

  • Temperature feels like
    Feels Like45°
  • WindS 11 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0 in

9 am

Showers Few Showers
50°
Rain drop 31%
S 11 mph
Add

Few Showers

  • Temperature feels like
    Feels Like46°
  • WindS 11 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

10 am

Cloudy Cloudy
51°
Rain drop 22%
S 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like47°
  • WindS 11 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0 in

11 am

Cloudy Cloudy
51°
Rain drop 24%
S 10 mph
Add

Cloudy

  • Temperature feels like
    Feels Like48°
  • WindS 10 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover94%
  • Rain drop
    Rain Amount0 in
Advertisement

12 pm

Cloudy Cloudy
52°
Rain drop 18%
SSW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like49°
  • WindSSW 11 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0 in

1 pm

Cloudy Cloudy
53°
Rain drop 24%
SSW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like49°
  • WindSSW 11 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0 in

2 pm

Showers Showers
53°
Rain drop 36%
S 11 mph
Add

Showers

  • Temperature feels like
    Feels Like49°
  • WindS 11 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.01 in

3 pm

Showers Light Rain
53°
Rain drop 65%
SSW 11 mph
Add

Light Rain

  • Temperature feels like
    Feels Like50°
  • WindSSW 11 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.02 in

4 pm

Rain Rain
53°
Rain drop 71%
SSW 11 mph
Add

Rain

  • Temperature feels like
    Feels Like49°
  • WindSSW 11 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in

5 pm

Rain Rain
53°
Rain drop 80%
SSW 10 mph
Add

Rain

  • Temperature feels like
    Feels Like49°
  • WindSSW 10 mph
  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in

6 pm

Rain Rain
52°
Rain drop 75%
SSW 9 mph
Add

Rain

  • Temperature feels like
    Feels Like49°
  • WindSSW 9 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

7 pm

Rain Rain
52°
Rain drop 79%
SSW 9 mph
Add

Rain

  • Temperature feels like
    Feels Like49°
  • WindSSW 9 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

8 pm

Rain Rain
52°
Rain drop 88%
SSW 9 mph
Add

Rain

  • Temperature feels like
    Feels Like49°
  • WindSSW 9 mph
  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

9 pm

Rain Rain
52°
Rain drop 83%
SSW 9 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindSSW 9 mph
  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

10 pm

Rain Rain
51°
Rain drop 93%
S 9 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 9 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.05 in

11 pm

Rain Rain
51°
Rain drop 86%
S 9 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 9 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in
Advertisement

Wednesday, March 18

12 am

Rain Rain
51°
Rain drop 87%
S 9 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 9 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.05 in

1 am

Rain Rain
51°
Rain drop 88%
S 9 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 9 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

2 am

Rain Rain
51°
Rain drop 84%
S 9 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 9 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in

3 am

Rain Rain
51°
Rain drop 88%
S 10 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 10 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

4 am

Rain Rain
51°
Rain drop 86%
S 11 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindS 11 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in

5 am

Rain Rain
52°
Rain drop 91%
SSW 11 mph
Add

Rain

  • Temperature feels like
    Feels Like48°
  • WindSSW 11 mph
  • Humidity
    Humidity95%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in
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