Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

68°F

20°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Apr 08:20 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: A 20 percent chance of rain before 1am.  Partly cloudy, with a low around 49. West southwest wind 5 to 7 mph becoming south after midnight.

    Low: 49 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 58. South wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm.  Cloudy, with a low around 48. South southwest wind around 9 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Cloudy, with a high near 53. South southwest wind around 11 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 46. South southwest wind 6 to 8 mph.

    Low: 46 °F

    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

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 1am. Partly cloudy, with a low around 49. West southwest wind 5 to 7 mph becoming south after midnight.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 58. South wind 5 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 48. South southwest wind around 9 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 53. South southwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 46. South southwest wind 6 to 8 mph.
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
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
11:26 am PDT Apr 20, 2026
8pm PDT Apr 20, 2026-6pm PDT Apr 27, 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