Back-to-Back Storms for the Center of the Nation

These storm systems will bring late season snow, sleet and ice for portions of the northern Plains, upper Midwest and Great Lakes region. Meanwhile, where temperatures are warmer, severe thunderstorms are expected for areas of the Mississippi Valley into the southern Plains. Furthermore, combination of windy and dry conditions will raise fire weather concerns for the southern High Plains. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

46°F

8°C

Humidity 75%
Wind Speed SSE 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 02 Apr 11:00 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: A 50 percent chance of rain.  Mostly cloudy, with a high near 52. South southwest wind around 8 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 42. South wind around 8 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. South wind around 6 mph.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of rain. Mostly cloudy, with a high near 52. South southwest wind around 8 mph.
Tonight
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 42. South wind around 8 mph.
Friday
Partly sunny, with a high near 56. South wind around 6 mph.
Friday Night
Partly cloudy, with a low around 39. Light and variable wind.
Saturday
Mostly sunny, with a high near 61. Calm wind becoming north 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A slight chance of rain. Mostly clear, with a low around 42.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
11:27 pm PDT Apr 1, 2026
11am PDT Apr 2, 2026-6pm PDT Apr 8, 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