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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

48°F

9°C

Humidity 100%
Wind Speed S 8 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 12 Jan 09:00 AM PST
Extended Forecast for

2 Miles ENE Newcastle WA

  • Today

    Today: A 40 percent chance of rain, mainly before 4pm. Cloudy, with a high near 51. South southwest wind 8 to 10 mph.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain between 9pm and 10pm. Mostly cloudy, with a steady temperature around 50. South wind 6 to 9 mph.

    Low: 50 °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 41. Light east southeast wind.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Light south southwest wind.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 4pm. Cloudy, with a high near 51. South southwest wind 8 to 10 mph.
Tonight
A 20 percent chance of rain between 9pm and 10pm. Mostly cloudy, with a steady temperature around 50. South wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 56. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 41. Light east southeast wind.
Wednesday
Partly sunny, with a high near 49. Light south southwest wind.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
7:00 am PST Jan 12, 2026
Forecast Valid:
9am PST Jan 12, 2026-6pm PST Jan 18, 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