SeaTac, WA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for SeaTac, WA in one place.
Partly sunny, with a high near 59. North wind around 5 mph.
Local Weather Overview
This forecast page for SeaTac, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 2, 2026 3:06 AM PST.
The active forecast window currently covers Nov 3 to Nov 8, 2026 for SeaTac, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 3 to Nov 8, 2026
- Latest sync
- Nov 2, 2026 3:06 AM PST
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in SeaTac
Saturday looks like the warmest upcoming period in SeaTac at 61 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Friday at about 3 to 10 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 2, 2026 3:06 AM PST
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 41. East northeast wind around 2 mph.
Rain after 4pm. Partly sunny, with a high near 60. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Rain. Cloudy, with a low around 47.
A slight chance of rain. Mostly cloudy, with a high near 59.
Rain likely. Mostly cloudy, with a low around 47.
Rain likely. Mostly cloudy, with a high near 57.
A chance of rain before 4am. Mostly cloudy, with a low around 45.
A chance of rain after 4pm. Mostly cloudy, with a high near 61.
Rain likely. Mostly cloudy, with a low around 47.
Rain likely. Mostly cloudy, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 3
|
Partly Sunny
|
59°F |
5 mph
N
|
|
Tuesday Night
Nov 3
|
Mostly Clear
|
41°F |
2 mph
ENE
|
|
Wednesday
Nov 4
|
Partly Sunny then Light Rain
|
60°F |
5 mph
SSE
|
|
Wednesday Night
Nov 4
|
Light Rain
|
47°F |
2 to 6 mph
S
|
|
Thursday
Nov 5
|
Slight Chance Light Rain
|
59°F |
3 to 8 mph
SSW
|
|
Thursday Night
Nov 5
|
Light Rain Likely
|
47°F |
3 to 9 mph
S
|
|
Friday
Nov 6
|
Light Rain Likely
|
57°F |
3 to 10 mph
SSW
|
|
Friday Night
Nov 6
|
Chance Light Rain
|
45°F |
3 mph
SSE
|
|
Saturday
Nov 7
|
Mostly Cloudy then Chance Light Rain
|
61°F |
3 mph
SSE
|
|
Saturday Night
Nov 7
|
Light Rain Likely
|
47°F |
2 to 8 mph
S
|
|
Sunday
Nov 8
|
Light Rain Likely
|
58°F |
3 to 7 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around SeaTac.
