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.

Mostly Cloudy

52°F

11°C

Humidity 81%
Wind Speed SSW 14 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 06 Dec 12:30 AM PST
Extended Forecast for

3 Miles E Newcastle WA

Flood Watch December 8, 04:00am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain. Steady temperature around 46. Breezy, with a southwest wind around 24 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain. High near 47. South southwest wind 11 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 43. South wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain. High near 48. South wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 46. South wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Monday

    Monday: Rain. High near 52. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 45. Chance of precipitation is 100%.

    Low: 45 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 48.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 46. Breezy, with a southwest wind around 24 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 47. South southwest wind 11 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 43. South wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 48. South wind around 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 46. South wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 52. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 45. Chance of precipitation is 100%.
Tuesday
Rain. Cloudy, with a high near 48.
Tuesday Night
Rain. Cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 51.
Wednesday Night
Rain. Cloudy, with a low around 45.
Thursday
Rain. Cloudy, with a high near 48.
Thursday Night
Rain likely. Cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 51.
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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:
9:56 pm PST Dec 5, 2025
Forecast Valid:
12am PST Dec 6, 2025-6pm PST Dec 12, 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