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

Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. East southeast wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61. East wind around 6 mph becoming light and variable.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain before 1am, then showers likely, mainly between 1am and 3am. Low around 49. South wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: Showers, mainly before 8am. High near 53. South southwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. South wind around 5 mph becoming east after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. East southeast wind around 5 mph.
Saturday
Mostly cloudy, with a high near 61. East wind around 6 mph becoming light and variable.
Saturday Night
Rain before 1am, then showers likely, mainly between 1am and 3am. Low around 49. South wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 8am. High near 53. South southwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 42. South wind around 5 mph becoming east after midnight.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 48. Chance of precipitation is 90%.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 51.
Veterans Day
A slight chance of rain. Mostly cloudy, with a high near 63.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 48.
Friday
Rain likely. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
2:07 am PST Nov 7, 2026
Forecast Valid:
3am PST Nov 7, 2026-6pm PST Nov 13, 2026
 
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