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

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Apr 06:20 AM PDT
Extended Forecast for

2 Miles SE Newcastle WA

  • Today

    Today: Partly sunny, with a high near 75. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. North northwest wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. North northeast wind around 6 mph becoming light and variable.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West wind around 6 mph becoming south after midnight.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62. South southeast wind around 5 mph becoming light and variable.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 75. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 51. North northwest wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 72. North northeast wind around 6 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 50. West wind around 6 mph becoming south after midnight.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62. South southeast wind around 5 mph becoming light and variable.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Newcastle WA
 47.51°N 122.13°W (Elev. 400 ft)
Last Update:
11:26 pm PDT Apr 18, 2026
Forecast Valid:
6am PDT Apr 19, 2026-6pm PDT Apr 25, 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