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

48°F

9°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 07 Nov 08:15 PM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South wind around 5 mph becoming east after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Northeast wind 3 to 5 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. East wind around 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. South southeast wind 3 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. Southeast wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. South wind around 5 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 55. Northeast wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 47. East wind around 10 mph.
Sunday
Partly sunny, with a high near 60. South southeast wind 3 to 8 mph.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. Southeast wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44.
Veterans Day
Mostly cloudy, with a high near 51.
Tuesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 54.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 47.
Thursday
Rain. Mostly cloudy, with a high near 54.
Thursday Night
Rain. Mostly cloudy, with a low around 46.
Friday
Rain likely. Mostly cloudy, with a high near 52.
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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 pm PST Nov 7, 2025
Forecast Valid:
8pm PST Nov 7, 2025-6pm PST Nov 14, 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