Current conditions at

Renton Municipal Airport (KRNT)

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

light rain,mist

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Last update 04 Dec 10:20 AM PST
Extended Forecast for

Newcastle WA

  • Today

    Today: Rain, mainly before 3pm.  High near 46. South wind around 5 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain.  Temperature rising to around 48 by 5am. South southeast wind 5 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain.  High near 54. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Low around 46. South southwest wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain.  High near 51. South southwest wind 10 to 13 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Low around 46. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain.  High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain

  • Monday

    Monday: Rain.  Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

Today
Rain, mainly before 3pm. High near 46. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Temperature rising to around 48 by 5am. South southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 54. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 46. South southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 51. South southwest wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 46. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 54. Chance of precipitation is 100%.
Sunday Night
Rain. Mostly cloudy, with a low around 47.
Monday
Rain. Cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
7:00 am PST Dec 4, 2025
10am PST Dec 4, 2025-6pm PST Dec 10, 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