Wintry Precipitation for the Northeast; Increasing Severe Weather Threat from the Plains to the Midwest

Wintry mixed precipitation will spread across the Northeast today, with light snow and ice accumulations forecast through southern New England. Meanwhile, the threat of severe weather will be increasing from the southern Plains to the Midwest, with rounds of showers and thunderstorms, some severe, expected each day through Friday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

48°F

9°C

Humidity 81%
Wind Speed S 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 03 Mar 04:35 AM PST
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: A 20 percent chance of rain.  Cloudy, with a low around 45. South southeast wind around 6 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly before 4pm.  Patchy fog between 4pm and 5pm. High near 51. South southwest wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain.  Low around 45. South wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 51. Southwest wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 42. South southwest wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain.  High near 47. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly after 10am.  Cloudy, with a high near 50.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm.  Cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of rain. Cloudy, with a low around 45. South southeast wind around 6 mph.
Tuesday
Rain, mainly before 4pm. Patchy fog between 4pm and 5pm. High near 51. South southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 45. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 51. Southwest wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 42. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 47. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely, mainly after 10am. Cloudy, with a high near 50.
Friday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 47.
Saturday
Rain likely. Cloudy, with a high near 51.
Saturday Night
Rain likely. Cloudy, with a low around 46.
Sunday
Rain likely. Cloudy, with a high near 52.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:25 am PST Mar 3, 2026
5am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
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