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

59°F

15°C

Humidity 38%
Wind Speed NNW 10 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Mar 03:00 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before 11am, then rain likely.  Mostly cloudy, with a high near 48. Calm wind becoming west southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow before 2am, then a chance of snow.  Mostly cloudy, with a low around 32. West northwest wind 5 to 7 mph becoming south after midnight.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly 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, mainly after 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 54. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 48. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Rain likely, possibly mixed with snow before 2am, then a chance of snow. Mostly cloudy, with a low around 32. West northwest wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 40.
Wednesday
Rain. Mostly cloudy, with a high near 47.
Wednesday Night
Rain. Mostly cloudy, with a low around 38.
Thursday
Rain likely. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Partly sunny, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
11:27 am PDT Mar 27, 2026
3pm PDT Mar 27, 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