National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Unsettled Weather Across the Northwest; Much Cooler for the East

A frontal system will bring rain and mountain snow from northern California into Washington today, before advancing into the Rockies and Intermountain West on Monday. Strong and gusty winds are also expected over parts of California and Nevada. Meanwhile, much cooler and more seasonable weather will return to the East Coast today as temperatures rebound from the southern Plains into the Midwest. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427ft.

Mostly Cloudy

12°C

54°F

Humidity 76%
Wind Speed SSE 4 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 8°C (46°F)
Visibility 16 km
Last update 17 Oct 09:20 AM PDT
Extended Forecast for

Seatac WA

  • Today

    Today: A 40 percent chance of rain, mainly after 4pm. Cloudy, with a high near 14. Southwest wind around 13 km/h.

    Cloudy then
    Chance Rain

    High: 14 °C

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 8. South southwest wind 8 to 11 km/h becoming north northeast in the evening. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.

    Rain Likely
    then Mostly
    Cloudy

    Low: 8 °C

  • Monday

    Monday: Mostly cloudy, with a high near 12. Calm wind becoming west southwest 5 to 8 km/h.

    Mostly Cloudy

    High: 12 °C

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 5. East southeast wind 3 to 8 km/h.

    Partly Cloudy

    Low: 5 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Calm wind.

    Mostly Sunny

    High: 17 °C

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 9.

    Chance Rain

    Low: 9 °C

  • Wednesday

    Wednesday: Rain. High near 15. Chance of precipitation is 80%.

    Rain

    High: 15 °C

  • Wednesday
    Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 9.

    Rain Likely

    Low: 9 °C

  • Thursday

    Thursday: A chance of rain. Cloudy, with a high near 17.

    Chance Rain

    High: 17 °C

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 4pm. Cloudy, with a high near 14. Southwest wind around 13 km/h.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 8. South southwest wind 8 to 11 km/h becoming north northeast in the evening. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.
Monday
Mostly cloudy, with a high near 12. Calm wind becoming west southwest 5 to 8 km/h.
Monday Night
Partly cloudy, with a low around 5. East southeast wind 3 to 8 km/h.
Tuesday
Mostly sunny, with a high near 17. Calm wind.
Tuesday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 9.
Wednesday
Rain. High near 15. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 9.
Thursday
A chance of rain. Cloudy, with a high near 17.
Thursday Night
Rain. Cloudy, with a low around 10.
Friday
Rain. Cloudy, with a high near 14.
Friday Night
Rain likely. Cloudy, with a low around 8.
Saturday
Rain. Cloudy, with a high near 13.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 109 m)
Last Update:
3:00 am PDT Oct 17, 2021
Forecast Valid:
9am PDT Oct 17, 2021-6pm PDT Oct 23, 2021
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation