Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

light snow,mist

33°F

1°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 32°F (0°C)
Visibility 2.50 mi
Last update 13 Mar 02:53 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Rain and snow.  Low around 36. Calm wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow.  Areas of fog after 11am. High near 39. Light and variable wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow and
    Areas Fog

  • Friday Night

    Friday Night: Rain and snow, mainly before 3am.  Patchy fog before 8pm. Low around 34. Calm wind.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow and
    Patchy Fog

  • Saturday

    Saturday: Rain and snow likely before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm.  Partly sunny, with a high near 44. Light south southwest wind.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 8am, then a slight chance of rain and snow between 8am and 11am, then rain likely after 11am.  Mostly cloudy, with a high near 46. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain.  Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Monday

    Monday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain likely.  Cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Overnight
Rain and snow. Low around 36. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. Areas of fog after 11am. High near 39. Light and variable wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain and snow, mainly before 3am. Patchy fog before 8pm. Low around 34. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain and snow likely before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Partly sunny, with a high near 44. Light south southwest wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Sunday
A slight chance of snow before 8am, then a slight chance of rain and snow between 8am and 11am, then rain likely after 11am. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
Rain. Low around 41. Chance of precipitation is 80%.
Monday
Rain. Cloudy, with a high near 52.
Monday Night
Rain likely. Cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 48.
Wednesday
Rain. Cloudy, with a high near 57.
Wednesday Night
Rain. Cloudy, with a low around 50.
Thursday
Rain likely. Cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
2:26 am PDT Mar 13, 2026
3am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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