Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 28 Mar 07:35 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: A 10 percent chance of rain after 5pm.  Partly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: A slight chance of rain before 9pm, then a slight chance of rain after 4am.  Mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain before 2pm, then rain, possibly mixed with snow.  High near 48. Light and variable wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow before 2am, then a slight chance of snow.  Mostly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming south in the evening.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: Sunny, with a high near 50. Calm wind becoming north around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Today
A 10 percent chance of rain after 5pm. Partly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A slight chance of rain before 9pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Rain before 2pm, then rain, possibly mixed with snow. High near 48. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain likely, possibly mixed with snow before 2am, then a slight chance of snow. Mostly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming south in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Sunny, with a high near 50. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 41.
Wednesday
Rain. Cloudy, with a high near 50.
Wednesday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 39.
Thursday
Rain likely. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A slight chance of rain. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
11:27 pm PDT Mar 27, 2026
7am PDT Mar 28, 2026-6pm PDT Apr 3, 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