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Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

58°F

14°C

Humidity 80%
Wind Speed S 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 07 Nov 12:53 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 61. Light south wind.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after 7pm. Low around 50. South wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 54. South southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. East wind around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain after 10am. Mostly cloudy, with a high near 54. East southeast wind around 5 mph becoming calm in the morning.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 56. Chance of precipitation is 90%.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Cloudy, with a low around 52.

    Low: 52 °F

    Rain

  • Veterans Day

    Veterans Day: A slight chance of rain before 10am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 61. Light south wind.
Tonight
Rain, mainly after 7pm. Low around 50. South wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 54. South southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 43. East wind around 5 mph.
Monday
A 50 percent chance of rain after 10am. Mostly cloudy, with a high near 54. East southeast wind around 5 mph becoming calm in the morning.
Monday Night
Rain. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 56. Chance of precipitation is 90%.
Tuesday Night
Rain, mainly before 4am. Cloudy, with a low around 52.
Veterans Day
A slight chance of rain before 10am. Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
Last Update:
10:26 am PST Nov 7, 2026
Forecast Valid:
1pm PST Nov 7, 2026-6pm PST Nov 13, 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