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 >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

46°F

8°C

Humidity 75%
Wind Speed SSE 4 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 09 Jan 04:20 AM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 5 to 10 mph becoming light  in the afternoon.

    High: 47 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South southeast wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am.  Mostly cloudy, with a high near 48. South southeast wind around 7 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 42. Southeast wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely.  Patchy fog after 2pm.  Otherwise, cloudy, with a high near 47. South southeast wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain.  Patchy fog before 11pm. Low around 44. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain.  High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 5 to 10 mph becoming light in the afternoon.
Tonight
Mostly cloudy, with a low around 40. South southeast wind around 7 mph.
Saturday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 48. South southeast wind around 7 mph.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42. Southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Patchy fog after 2pm. Otherwise, cloudy, with a high near 47. South southeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Patchy fog before 11pm. Low around 44. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 50. Chance of precipitation is 80%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
1:25 am PST Jan 9, 2026
4am PST Jan 9, 2026-6pm PST Jan 15, 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