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

54°F

12°C

Humidity 66%
Wind Speed S 9 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Nov 01:20 PM PST
Extended Forecast for

3 Miles NNE Newcastle WA

  • This Afternoon

    This Afternoon: A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 53. Light south wind.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 10am, then a chance of rain after 11am. Mostly cloudy, with a high near 56. Light south wind. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 51. Southwest wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 53. Light south wind.
Tonight
A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 47. Calm wind.
Saturday
A slight chance of rain before 10am, then a chance of rain after 11am. Mostly cloudy, with a high near 56. Light south wind. Chance of precipitation is 30%.
Saturday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 51. Southwest wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 10am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Monday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely. Cloudy, with a low around 41.
Wednesday
Rain likely. Cloudy, with a high near 50.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 44.
Thanksgiving Day
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Newcastle WA
 47.59°N 122.12°W (Elev. 256 ft)
Last Update:
1:25 pm PST Nov 21, 2025
Forecast Valid:
1pm PST Nov 21, 2025-6pm PST Nov 27, 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