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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

60°F

16°C

Humidity 68%
Wind Speed ENE 1 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 05 Feb 02:30 PM PST
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 4am. Increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain, mainly after 10am. High near 55. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 47. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain. High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Calm wind.
Friday
Mostly sunny, with a high near 61. Calm wind.
Friday Night
A 30 percent chance of rain after 4am. Increasing clouds, with a low around 44. Calm wind.
Saturday
Rain, mainly after 10am. High near 55. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 47. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 42. Chance of precipitation is 80%.
Monday
Rain likely. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A slight chance of rain. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.07°W (Elev. 200 ft)
Last Update:
1:26 pm PST Feb 5, 2026
Forecast Valid:
3pm PST Feb 5, 2026-6pm PST Feb 12, 2026
 
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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