National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Cold Temperatures Continue in the Southeast; Snow in the Central Appalachians and Ohio Valley; Rain and Thunderstorms in the Southeast

Cold temperatures will persist across Florida and the Southeast through Tuesday, then milder conditions are expected beginning Wednesday. A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic Tuesday into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

50°F

10°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 03 Feb 12:53 AM PST
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 45. Light east wind.

    Low: 45 °F

    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. East wind 3 to 5 mph.

    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

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 45. Light east wind.
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. East wind 3 to 5 mph.
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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
7:01 pm PST Feb 2, 2026
Forecast Valid:
1am PST Feb 3, 2026-6pm PST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation