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

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

61°F

16°C

Humidity 63%
Wind Speed SSW 10 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Nov 02:20 PM PDT
Extended Forecast for

Newcastle WA

Flood Watch until November 2, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until November 2, 04:00am

    NOW until 4:00am Sun

    Flood Watch

  • This Afternoon

    High: 60 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 3am. Low around 45. South southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 54. South southeast wind 3 to 8 mph.

    High: 54 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 55. Northeast wind 3 to 6 mph.

    High: 55 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Partly sunny, with a high near 60. Southwest wind around 14 mph, with gusts as high as 30 mph.
Tonight
Rain, mainly before 3am. Low around 45. South southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 54. South southeast wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 43. Calm wind becoming north northeast around 5 mph after midnight.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 55. Northeast wind 3 to 6 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
Rain. Cloudy, with a low around 49.
Wednesday
Rain. Cloudy, with a high near 59.
Wednesday Night
Rain. Cloudy, with a low around 49.
Thursday
Rain. Cloudy, with a high near 55.
Thursday Night
Rain. Cloudy, with a low around 47.
Friday
Rain. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
Last Update:
2:25 pm PDT Nov 1, 2025
Forecast Valid:
2pm PDT Nov 1, 2025-6pm PST Nov 7, 2025
 
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