Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for Southern Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

44°F

7°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 08 Feb 03:53 AM PST
Extended Forecast for

Newcastle WA

  • Today

    Today: A 30 percent chance of rain, mainly between 3pm and 5pm.  Mostly cloudy, with a high near 49. Light and variable wind.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 3am.  Mostly cloudy, with a low around 41. South wind 5 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 49. South southwest wind around 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm.  Mostly cloudy, with a low around 39. Southeast wind around 6 mph.

    Low: 39 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 10am.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Today
A 30 percent chance of rain, mainly between 3pm and 5pm. Mostly cloudy, with a high near 49. Light and variable wind.
Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 41. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 49. South southwest wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 39. Southeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 52. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A chance of rain after 10am. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
1:26 am PST Feb 8, 2026
4am PST Feb 8, 2026-6pm PST Feb 14, 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