Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

46°F

8°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 25 Mar 12:30 AM PDT
Extended Forecast for

3 Miles E Newcastle WA

  • Overnight

    Overnight: A 40 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 38. South southwest wind 15 to 21 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain before 5pm, then rain and snow likely. Some thunder is also possible.  High near 45. Southwest wind 16 to 20 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 1am.  Partly cloudy, with a low around 33. South wind 10 to 18 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Mostly sunny, with a high near 48. South southwest wind 8 to 10 mph.  Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Southwest wind 6 to 9 mph becoming east in the evening.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 38. South southwest wind 15 to 21 mph, with gusts as high as 26 mph.
Wednesday
Rain before 5pm, then rain and snow likely. Some thunder is also possible. High near 45. Southwest wind 16 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 1am. Partly cloudy, with a low around 33. South wind 10 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 48. South southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 33. Southwest wind 6 to 9 mph becoming east in the evening.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 51.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 37.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
11:27 pm PDT Mar 24, 2026
12am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
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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