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

48°F

9°C

Humidity 86%
Wind Speed S 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 44°F (7°C)
Visibility 9.00 mi
Wind Chill44°F (7°C)
Last update 24 Mar 11:53 PM PDT
Extended Forecast for

2 Miles E Newcastle WA

  • Overnight

    Overnight: A 40 percent chance of rain, mainly before 4am.  Partly cloudy, with a low around 39. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm.  High near 46. Southwest wind 16 to 20 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Chance Rain
    then Showers

  • Wednesday Night

    Wednesday Night: A chance of rain, possibly mixing with snow after 11pm, then gradually ending.  Partly cloudy, with a low around 34. South wind 9 to 18 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 11am, then a slight chance of rain.  Mostly sunny, with a high near 49. South southwest wind 8 to 10 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Southwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °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. Partly cloudy, with a low around 39. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 28 mph.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 46. Southwest wind 16 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of rain, possibly mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 34. South wind 9 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 rain and snow before 11am, then a slight chance of rain. Mostly sunny, with a high near 49. 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 northeast after midnight.
Friday
Mostly sunny, with a high near 55.
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 52.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.55°N 122.11°W (Elev. 794 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