Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

52°F

11°C

Humidity 81%
Wind Speed NW 6 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 27 Nov 02:00 PM PST
Extended Forecast for

Newcastle WA

  • Thanksgiving Day

    Thanksgiving Day: Rain.  High near 52. Southeast wind around 5 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain before 3am, then a slight chance of rain after 4am.  Low around 43. East wind around 6 mph becoming north after midnight.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain then
    Rain Likely

  • Friday

    Friday: Sunny, with a high near 51. East northeast wind around 5 mph becoming north in the afternoon.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. East wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 10am.  Mostly cloudy, with a high near 48. East wind around 5 mph.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Thanksgiving Day
Rain. High near 52. Southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 3am, then a slight chance of rain after 4am. Low around 43. East wind around 6 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Sunny, with a high near 51. East northeast wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 40. East wind 3 to 5 mph.
Saturday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 48. East wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A chance of rain. Mostly cloudy, with a high near 47.
Monday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
1:25 pm PST Nov 27, 2025
2pm PST Nov 27, 2025-6pm PST Dec 3, 2025
 
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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