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

Renton Municipal Airport (KRNT)

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

Clear

66°F

19°C

Humidity 48%
Wind Speed NNW 10 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Jun 01:05 PM PDT
Extended Forecast for

3 Miles SSE Newcastle WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. North northwest wind around 6 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 73 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. West wind around 5 mph becoming light and variable in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Southwest wind 3 to 6 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly before 11am. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers after 11am. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 72. North northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 49. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 50. West wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 74. Southwest wind 3 to 6 mph.
Tuesday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 55.
Wednesday
A 50 percent chance of showers, mainly before 11am. Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 49.
Juneteenth
A slight chance of showers after 11am. Partly sunny, with a high near 70.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 50.
Friday
Showers likely. Mostly cloudy, with a high near 64.
Friday Night
Showers likely. Mostly cloudy, with a low around 50.
Saturday
Showers likely. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Newcastle WA
 47.51°N 122.13°W (Elev. 400 ft)
Last Update:
9:40 am PDT Jun 15, 2025
Forecast Valid:
1pm PDT Jun 15, 2025-6pm PDT Jun 21, 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