Hourly Weather Forecast - SeaTac, WA

12 AM
43°F
60%
11mph
S
60% Chance of Light Rain
Humidity
87%
Feels like
37°F
Dew Point
39°F
1 AM
42°F
60%
11mph
S
60% Chance of Light Rain
Humidity
86%
Feels like
36°F
Dew Point
39°F
2 AM
42°F
60%
10mph
S
60% Chance of Light Rain
Humidity
86%
Feels like
36°F
Dew Point
38°F
3 AM
42°F
70%
10mph
S
70% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
38°F
4 AM
41°F
70%
10mph
S
70% Chance of Light Rain
Humidity
88%
Feels like
35°F
Dew Point
38°F
5 AM
41°F
80%
10mph
S
80% Chance of Light Rain
Humidity
89%
Feels like
35°F
Dew Point
38°F
6 AM
41°F
80%
10mph
S
80% Chance of Light Rain
Humidity
91%
Feels like
35°F
Dew Point
38°F
7 AM
41°F
70%
11mph
S
70% Chance of Light Rain
Humidity
91%
Feels like
35°F
Dew Point
39°F
7:53 AM
8 AM
42°F
60%
10mph
S
60% Chance of Light Rain
Humidity
91%
Feels like
36°F
Dew Point
39°F
9 AM
42°F
50%
10mph
S
50% Chance of Light Rain
Humidity
90%
Feels like
37°F
Dew Point
40°F
10 AM
43°F
50%
10mph
S
50% Chance of Rain
Humidity
89%
Feels like
38°F
Dew Point
40°F
11 AM
44°F
50%
10mph
S
50% Chance of Rain
Humidity
89%
Feels like
39°F
Dew Point
41°F
12 PM
45°F
50%
11mph
S
50% Chance of Rain
Humidity
88%
Feels like
39°F
Dew Point
41°F
1 PM
45°F
60%
11mph
S
60% Chance of Rain
Humidity
88%
Feels like
39°F
Dew Point
42°F
2 PM
45°F
70%
12mph
S
70% Chance of Rain
Humidity
88%
Feels like
39°F
Dew Point
41°F
3 PM
44°F
70%
12mph
S
70% Chance Rain Showers
Humidity
88%
Feels like
38°F
Dew Point
41°F
4 PM
44°F
80%
12mph
S
80% Chance Rain Showers
Humidity
88%
Feels like
37°F
Dew Point
40°F
4:20 PM
5 PM
43°F
90%
12mph
S
Rain Showers
Humidity
89%
Feels like
37°F
Dew Point
40°F
6 PM
43°F
90%
12mph
SSW
Light Rain
Humidity
89%
Feels like
36°F
Dew Point
40°F
7 PM
43°F
100%
12mph
SSW
Light Rain
Humidity
90%
Feels like
36°F
Dew Point
40°F
8 PM
42°F
100%
12mph
SSW
Light Rain
Humidity
90%
Feels like
36°F
Dew Point
40°F
9 PM
42°F
90%
12mph
SSW
Rain Showers
Humidity
90%
Feels like
36°F
Dew Point
39°F
10 PM
42°F
100%
11mph
SSW
Rain Showers
Humidity
90%
Feels like
36°F
Dew Point
39°F
11 PM
42°F
100%
11mph
S
Rain Showers
Humidity
91%
Feels like
35°F
Dew Point
39°F

Rainfall and Snowfall Totals Through Thursday

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A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

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A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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