Hourly Weather Forecast - SeaTac, WA

12 AM
40°F
20%
6mph
SE
Cloudy
Humidity
89%
Feels like
35°F
Dew Point
37°F
1 AM
40°F
20%
6mph
SE
Cloudy
Humidity
89%
Feels like
35°F
Dew Point
37°F
2 AM
40°F
20%
6mph
SSE
Cloudy
Humidity
88%
Feels like
35°F
Dew Point
36°F
3 AM
40°F
20%
7mph
SSE
Cloudy
Humidity
88%
Feels like
35°F
Dew Point
36°F
4 AM
39°F
20%
7mph
SSE
Cloudy
Humidity
89%
Feels like
34°F
Dew Point
36°F
5 AM
39°F
30%
7mph
SSE
30% Chance of Light Rain
Humidity
90%
Feels like
34°F
Dew Point
36°F
6 AM
39°F
30%
7mph
S
30% Chance of Light Rain
Humidity
91%
Feels like
34°F
Dew Point
36°F
7 AM
39°F
30%
7mph
S
30% Chance of Light Rain
Humidity
91%
Feels like
34°F
Dew Point
37°F
7:43 AM
8 AM
40°F
30%
7mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
35°F
Dew Point
37°F
9 AM
41°F
30%
8mph
S
30% Chance of Light Rain
Humidity
88%
Feels like
36°F
Dew Point
38°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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