Fire Weather Conditions Persist in the Southern Plains; Heavy Rain and Mountain Snow in the Pacific Northwest

A Pacific system will continue to bring moderate to heavy low elevation rain from northern California to western Washington, and heavy snow to the Cascades and Intermountain West over the next several days. Elevated to critical fire weather conditions will persist across the southern Rockies and Southern Plains through Wednesday as gusty winds and dry conditions continue across the region. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

37°F

3°C

Humidity 93%
Wind Speed S 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 24 Feb 09:20 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 2pm.  Partly sunny, with a high near 47. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 40. South southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 48. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 41. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain before 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 47. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40. South southwest wind around 11 mph, with gusts as high as 22 mph.
Thursday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 48. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. South southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 34.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
7:01 pm PST Feb 24, 2026
9pm PST Feb 24, 2026-6pm PST Mar 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database