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.

Overcast

43°F

6°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 29 Mar 02:00 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 11am.  High near 48. Calm wind becoming south southwest 5 to 7 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow, mainly before 7pm.  Mostly cloudy, with a low around 33. Northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49. Calm wind becoming north around 5 mph in the afternoon.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Northeast wind 3 to 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

  • Wednesday

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

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 42. Calm wind.
Sunday
Rain, mainly after 11am. High near 48. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, possibly mixed with snow, mainly before 7pm. Mostly cloudy, with a low around 33. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Sunny, with a high near 49. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 34. Northeast wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
A 20 percent 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 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 52.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Friday
A slight chance of rain. Partly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 58.
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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 28, 2026
2am PDT Mar 29, 2026-6pm PDT Apr 4, 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