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

Renton Municipal Airport (KRNT)

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

Overcast

45°F

7°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 03 Dec 11:00 PM PST
Extended Forecast for

2 Miles E Newcastle WA

  • Tonight

    Tonight: Rain likely, mainly after 3am. Cloudy, with a low around 39. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain, mainly before 3pm. High near 44. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Temperature rising to around 46 by 4am. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F⇑

    Rain

  • Friday

    Friday: Rain. High near 51. South southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 44. South southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Saturday

    Saturday: Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

Tonight
Rain likely, mainly after 3am. Cloudy, with a low around 39. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 3pm. High near 44. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Temperature rising to around 46 by 4am. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 51. South southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 44. South southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 45. Chance of precipitation is 80%.
Sunday
Rain. Cloudy, with a high near 51.
Sunday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 46.
Monday
Rain. Cloudy, with a high near 52.
Monday Night
Rain. Cloudy, with a low around 47.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain. Cloudy, with a low around 44.
Wednesday
Rain. Cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
7:00 pm PST Dec 3, 2025
Forecast Valid:
11pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
Forecast Discussion
 
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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