Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

52°F

11°C

Humidity 53%
Wind Speed S 5 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 03 Apr 11:30 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Partly sunny, with a high near 57. South southwest wind around 5 mph.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Calm wind becoming north 5 to 8 mph in the morning.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. North northeast wind 5 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. North wind 5 to 7 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

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

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 57. South southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 41. Calm wind.
Saturday
Sunny, with a high near 63. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 44. North northeast wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 66. North wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
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)
11:26 am PDT Apr 3, 2026
11am PDT Apr 3, 2026-6pm PDT Apr 9, 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