Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed SSE 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Oct 09:15 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 59. Southwest wind 5 to 8 mph becoming light and variable  in the morning.

    High: 59 °F

    Chance Rain
    then Partly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northeast wind around 6 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 56. North wind 3 to 6 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. North wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 59. Southwest wind 5 to 8 mph becoming light and variable in the morning.
Tonight
Increasing clouds, with a low around 43. Northeast wind around 6 mph.
Sunday
Partly sunny, with a high near 56. North wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 55. Calm wind.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
A chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
11:26 pm PDT Oct 16, 2026
9am PDT Oct 17, 2026-6pm PDT Oct 23, 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