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.

Clear

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 Feb 01:00 AM PST
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Light southeast wind.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Rain and snow likely, mainly between 10am and 2pm. Mostly cloudy, with a high near 41. South southwest wind 7 to 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 32. South southeast wind 5 to 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely before 4pm, then a chance of rain and snow. Partly sunny, with a high near 43. Light and variable wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Light southeast wind.
Washington's Birthday
Rain and snow likely, mainly between 10am and 2pm. Mostly cloudy, with a high near 41. South southwest wind 7 to 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 32. South southeast wind 5 to 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 4pm, then a chance of rain and snow. Partly sunny, with a high near 43. Light and variable wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow. Partly sunny, with a high near 39.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 31.
Friday
A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
Rain and snow. Mostly cloudy, with a high near 46.
Saturday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 39.
Sunday
Rain, possibly mixed with snow. Cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
7:01 pm PST Feb 15, 2026
Forecast Valid:
1am PST Feb 16, 2026-6pm PST Feb 22, 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