Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

53°F

12°C

Humidity 82%
Wind Speed SSE 4 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 02 Feb 03:36 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain.  Mostly cloudy, with a high near 49. South wind around 7 mph.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 8pm.  Patchy fog after midnight.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 45. South southeast wind around 6 mph becoming light and variable  after midnight.

    Low: 45 °F

    Chance Rain
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. East southeast wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. East southeast wind around 5 mph becoming calm  in the morning.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 49. South wind around 7 mph.
Tonight
A 30 percent chance of rain, mainly before 8pm. Patchy fog after midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 45. South southeast wind around 6 mph becoming light and variable after midnight.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 59. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 48. East southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 62. East southeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
Rain likely. Mostly cloudy, with a low around 45.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:26 pm PST Feb 2, 2026
3pm PST Feb 2, 2026-6pm PST Feb 9, 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