Current conditions at

Renton Municipal Airport (KRNT)

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

Rain

55°F

13°C

Humidity 100%
Wind Speed SSE 5 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 01 Nov 08:35 AM PDT
Extended Forecast for

Newcastle WA

Flood Watch until November 2, 04:00am
Wind Advisory until November 1, 01:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch until November 2, 04:00am
    Wind Advisory until November 1, 01:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 56 °F

    Showers

  • Tonight

    Tonight: Showers likely.  Mostly cloudy, with a low around 44. South southwest wind 10 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 11am.  Mostly sunny, with a high near 53. South wind 5 to 9 mph.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 42. Calm wind becoming northeast around 5 mph after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Monday

    Monday: A 40 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 53. Northeast wind around 6 mph becoming south southwest in the afternoon.

    High: 53 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly before 11am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 11pm.  Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Today
Showers. Temperature rising to near 56 by 10am, then falling to around 51 during the remainder of the day. South southwest wind 11 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely. Mostly cloudy, with a low around 44. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers before 11am. Mostly sunny, with a high near 53. South wind 5 to 9 mph.
Sunday Night
Increasing clouds, with a low around 42. Calm wind becoming northeast around 5 mph after midnight.
Monday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 53. Northeast wind around 6 mph becoming south southwest in the afternoon.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 50 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 56.
Tuesday Night
Rain, mainly after 11pm. Cloudy, with a low around 49.
Wednesday
Rain. Cloudy, with a high near 57.
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 48.
Friday
Rain. Cloudy, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
8:00 am PDT Nov 1, 2025
8am PDT Nov 1, 2025-6pm PST Nov 7, 2025
 
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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