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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

43°F

6°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Apr 05:20 AM PDT
Extended Forecast for

3 Miles ESE Newcastle WA

  • Today

    Today: Mostly sunny, with a high near 64. South southeast wind around 5 mph becoming calm in the morning.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Calm wind becoming southeast around 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 69. Northeast wind around 6 mph becoming west northwest in the afternoon.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 64. South southeast wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 49. Calm wind becoming southeast around 6 mph.
Sunday
Mostly cloudy, with a high near 70. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50. North northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 69. Northeast wind around 6 mph becoming west northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
11:26 pm PDT Apr 17, 2026
Forecast Valid:
5am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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