Hourly Weather Forecast - SeaTac, WA

11 AM
50°F
10%
8mph
SSW
Mostly Cloudy
Humidity
75%
Feels like
46°F
Dew Point
42°F
12 PM
50°F
10%
7mph
S
Mostly Cloudy
Humidity
74%
Feels like
50°F
Dew Point
42°F
1 PM
50°F
30%
7mph
S
30% Chance of Light Rain
Humidity
74%
Feels like
50°F
Dew Point
42°F
2 PM
50°F
30%
6mph
SSE
30% Chance of Light Rain
Humidity
76%
Feels like
50°F
Dew Point
43°F
3 PM
49°F
30%
6mph
SE
30% Chance of Light Rain
Humidity
79%
Feels like
47°F
Dew Point
43°F
4 PM
48°F
80%
6mph
ESE
80% Chance of Light Rain
Humidity
82%
Feels like
46°F
Dew Point
43°F
4:18 PM
5 PM
48°F
80%
6mph
SE
80% Chance of Light Rain
Humidity
85%
Feels like
45°F
Dew Point
44°F
6 PM
47°F
80%
7mph
SSE
80% Chance of Light Rain
Humidity
88%
Feels like
44°F
Dew Point
44°F
7 PM
48°F
90%
8mph
SSE
Rain
Humidity
90%
Feels like
44°F
Dew Point
45°F
8 PM
48°F
90%
9mph
SSE
Light Rain
Humidity
92%
Feels like
44°F
Dew Point
46°F
9 PM
49°F
80%
11mph
S
80% Chance of Light Rain
Humidity
93%
Feels like
45°F
Dew Point
47°F
10 PM
51°F
70%
13mph
S
70% Chance of Rain
Humidity
94%
Feels like
51°F
Dew Point
49°F
11 PM
52°F
80%
15mph
SSW
80% Chance of Rain
Humidity
95%
Feels like
52°F
Dew Point
51°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide