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.

Clear

43°F

6°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 07 Feb 03:00 AM PST
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. South southeast wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain.  High near 53. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 3am, then a chance of rain after 4am.  Low around 44. South wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am.  Cloudy, with a high near 49. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 43. South wind 5 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 49. 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 before 10pm.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of rain.  Mostly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain

  • Tuesday Night

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

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. South southeast wind around 5 mph.
Saturday
Rain. High near 53. South southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 3am, then a chance of rain after 4am. Low around 44. South wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely, mainly after 10am. Cloudy, with a high near 49. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 49. 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 before 10pm. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
1:26 am PST Feb 7, 2026
3am PST Feb 7, 2026-6pm PST Feb 13, 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