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.

Mist

42°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 42°F (6°C)
Visibility 6.00 mi
Last update 02 Jan 05:26 AM PST
Extended Forecast for

3 Miles ESE Newcastle WA

  • Overnight

    Overnight: Rain. Low around 39. South southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain, mainly before 9am. High near 47. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly after 4am. Steady temperature around 46. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain. High near 50. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. Southeast wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain. High near 45. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Rain. Low around 39. South southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 9am. High near 47. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain, mainly after 4am. Steady temperature around 46. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 50. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 42. Southeast wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 45. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 42.
Monday Night
A slight chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow before 10am, then rain likely between 10am and 4pm, then rain likely, possibly mixed with snow after 4pm. Cloudy, with a high near 42.
Tuesday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 37.
Wednesday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow. Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
1:25 am PST Jan 2, 2026
Forecast Valid:
5am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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