Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 29 Mar 09:35 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: A slight chance of rain and snow showers before 10pm.  Partly cloudy, with a low around 31. East northeast wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Northeast wind 3 to 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 40. Light and variable wind becoming south southeast around 5 mph after midnight.

    Low: 40 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain.  High near 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before midnight, then showers likely after midnight.  Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Rain then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers before 11pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 10pm. Partly cloudy, with a low around 31. East northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Monday
Sunny, with a high near 48. Light and variable wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 32. Northeast wind 3 to 7 mph.
Tuesday
Mostly cloudy, with a high near 54. Light and variable wind becoming east around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 40. Light and variable wind becoming south southeast around 5 mph after midnight.
Wednesday
Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, mainly before midnight, then showers likely after midnight. Low around 38. Chance of precipitation is 90%.
Thursday
Showers likely. Mostly cloudy, with a high near 50.
Thursday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 39.
Friday
A slight chance of showers. Partly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 60.
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)
11:26 am PDT Mar 29, 2026
9pm PDT Mar 29, 2026-6pm PDT Apr 5, 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