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.

light rain,mist

58°F

14°C

Humidity 93%
Wind Speed S 17 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 56°F (13°C)
Visibility 1.50 mi
Last update 10 Dec 01:53 PM PST
Extended Forecast for

2 Miles E Newcastle WA

Flood Watch December 10, 02:05pm until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 02:05pm until December 12, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • This Afternoon

    High: 54 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 45. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 45 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain, mainly before 11am. Patchy fog after 5pm. Steady temperature around 47. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain then
    Rain Likely
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Patchy fog before 7pm. Otherwise, cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A 40 percent chance of rain. Cloudy, with a high near 52. South southwest wind around 6 mph.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain

Detailed Forecast

This Afternoon
Rain. High near 54. South southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain. Low around 45. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain, mainly before 11am. Patchy fog after 5pm. Steady temperature around 47. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Patchy fog before 7pm. Otherwise, cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain. Cloudy, with a high near 52. South southwest wind around 6 mph.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 46.
Saturday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 54.
Saturday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 47.
Sunday
Rain. Mostly cloudy, with a high near 52.
Sunday Night
Rain. Mostly cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 43.
Tuesday
Rain. Cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
1:25 pm PST Dec 10, 2025
Forecast Valid:
2pm PST Dec 10, 2025-6pm PST Dec 16, 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