Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

48°F

9°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 10 Jan 05:30 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Rain, mainly after 7pm.  Low around 43. Southeast wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain.  High near 48. South wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 45. South southeast wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Monday

    Monday: Rain, mainly before 4pm.  High near 51. South wind around 9 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 46. South southeast wind around 7 mph.

    Low: 46 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 7pm. Low around 43. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 48. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 45. South southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 4pm. High near 51. South wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 46. South southeast wind around 7 mph.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:25 pm PST Jan 10, 2026
6pm PST Jan 10, 2026-6pm PST Jan 17, 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