National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

37°F

3°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 16 Apr 07:15 AM PDT
Extended Forecast for

2 Miles SE Newcastle WA

  • Today

    Today: Patchy frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South wind around 6 mph becoming light and variable after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 66. Light and variable wind.

    High: 66 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Patchy frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 39. South wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 41. Light and variable wind.
Saturday
Mostly cloudy, with a high near 66. Light and variable wind.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 48.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 48.
Monday
A slight chance of rain. Partly sunny, with a high near 68.
Monday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Newcastle WA
 47.51°N 122.13°W (Elev. 400 ft)
Last Update:
1:20 am PDT Apr 16, 2026
Forecast Valid:
7am PDT Apr 16, 2026-6pm PDT Apr 22, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation