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.

light rain,mist

48°F

9°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 2.50 mi
Last update 23 Nov 11:35 AM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Today

    Today: A 40 percent chance of rain, mainly before 1pm. Cloudy, with a high near 47. West southwest wind 3 to 6 mph.

    High: 47 °F

    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 37. South wind 5 to 7 mph.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 43. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 36. Southeast wind 3 to 5 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 43. Light east northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 44.

    Low: 44 °F

    Rain

  • Thanksgiving Day

    Thanksgiving Day: Rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 1pm. Cloudy, with a high near 47. West southwest wind 3 to 6 mph.
Tonight
A 50 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 37. South wind 5 to 7 mph.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 43. South wind 6 to 8 mph. Chance of precipitation is 70%. 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 36. Southeast wind 3 to 5 mph.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 43. Light east northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 46. Chance of precipitation is 90%.
Wednesday Night
Rain. Cloudy, with a low around 44.
Thanksgiving Day
Rain. Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
7:01 am PST Nov 23, 2025
Forecast Valid:
11am PST Nov 23, 2025-6pm PST Nov 29, 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