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

43°F

6°C

Humidity 81%
Wind Speed S 8 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 02 Apr 05:00 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: A 50 percent chance of rain.  Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 53. South southwest wind 6 to 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 42. South wind 6 to 8 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57. South wind around 6 mph.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °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

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 41. South wind around 6 mph.
Thursday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 53. South southwest wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 42. South wind 6 to 8 mph.
Friday
Partly sunny, with a high near 57. South wind around 6 mph.
Friday Night
Partly cloudy, with a low around 40. Light and variable wind.
Saturday
Mostly sunny, with a high near 62.
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 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.56°N 122.18°W (Elev. 207 ft)
11:27 pm PDT Apr 1, 2026
5am 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