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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

45°F

7°C

Humidity 70%
Wind Speed N 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Feb 10:20 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Light north northeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. North wind 3 to 5 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain and snow after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: A chance of rain and snow before 10am, then rain likely between 10am and 4pm, then rain likely, possibly mixed with snow after 4pm. Mostly cloudy, with a high near 43. South wind around 7 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow. Mostly cloudy, with a low around 32. Southeast wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely before 1pm, then rain likely between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 4am, then a chance of snow. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Light north northeast wind.
Sunday
Mostly sunny, with a high near 46. North wind 3 to 5 mph.
Sunday Night
A chance of rain and snow after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Washington's Birthday
A chance of rain and snow before 10am, then rain likely between 10am and 4pm, then rain likely, possibly mixed with snow after 4pm. Mostly cloudy, with a high near 43. South wind around 7 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Southeast wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
Rain and snow likely before 1pm, then rain likely between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. Mostly cloudy, with a high near 43.
Wednesday Night
Rain and snow likely before 4am, then a chance of snow. Mostly cloudy, with a low around 33.
Thursday
A chance of snow before 10am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Friday
Rain and snow likely. Mostly cloudy, with a high near 44.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
Last Update:
7:01 pm PST Feb 14, 2026
Forecast Valid:
10pm PST Feb 14, 2026-6pm PST Feb 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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