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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

54°F

12°C

Humidity 81%
Wind Speed S 8 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Jan 05:20 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Cloudy, with a high near 52. South wind around 8 mph.

    High: 52 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 6 to 8 mph.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 52. South wind around 8 mph.
Tonight
A 20 percent chance of rain between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 56. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 43. Light and variable wind.
Wednesday
Partly sunny, with a high near 50. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 36.
M.L.King Day
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
Last Update:
1:25 pm PST Jan 12, 2026
Forecast Valid:
5pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation