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

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.32 in (992.89 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Feb 04:00 AM PST
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: A chance of rain and snow. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow, mainly after 10am. Partly sunny, with a high near 44. Light and variable wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am, then a slight chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 43. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A chance of rain and snow. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow, mainly after 10am. Partly sunny, with a high near 44. Light and variable wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain before 1am, then a slight chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 43. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Friday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 43.
Friday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 38.
Monday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
Last Update:
1:26 am PST Feb 17, 2026
Forecast Valid:
4am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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