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

75°F

24°C

Humidity 33%
Wind Speed NW 10 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Apr 04:00 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Northeast wind 3 to 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. Northeast wind around 6 mph becoming west in the afternoon.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. West southwest wind around 7 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 57. Southwest wind around 6 mph.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Cloudy, with a low around 47. South wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Northeast wind 3 to 6 mph.
Monday
Partly sunny, with a high near 71. Northeast wind around 6 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 49. West southwest wind around 7 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. Southwest wind around 6 mph.
Tuesday Night
Rain likely. Cloudy, with a low around 47. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
11:26 am PDT Apr 19, 2026
4pm PDT Apr 19, 2026-6pm PDT Apr 26, 2026
 
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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