Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

52°F

11°C

Humidity 87%
Wind Speed SE 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 07 Feb 09:35 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 43. South wind 5 to 9 mph becoming calm  after midnight.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 49. Light and variable wind.

    High: 49 °F

    Slight Chance
    Rain then
    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 49. South wind around 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 39. South southeast wind around 6 mph.

    Low: 39 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 10am.  Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. South wind 5 to 9 mph becoming calm after midnight.
Sunday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 49. Light and variable wind.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41. South wind around 6 mph.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 49. South wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39. South southeast wind around 6 mph.
Tuesday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 41.
Thursday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
7:01 pm PST Feb 7, 2026
9pm PST Feb 7, 2026-6pm PST Feb 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database