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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

57°F

14°C

Humidity 71%
Wind Speed ESE 4 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Nov 12:10 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain before 4pm. Mostly cloudy, with a high near 55. South southeast wind around 7 mph.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 10pm. Steady temperature around 52. Southeast wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain, mainly before 4pm. High near 53. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 42. Southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: A 50 percent chance of rain. Partly sunny, with a high near 49. South wind 3 to 6 mph.

    High: 49 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain before 4pm. Mostly cloudy, with a high near 55. South southeast wind around 7 mph.
Tonight
Rain, mainly after 10pm. Steady temperature around 52. Southeast wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain, mainly before 4pm. High near 53. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 42. Southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 49. South wind 3 to 6 mph.
Monday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 47.
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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:
11:55 am PST Nov 14, 2026
Forecast Valid:
12pm PST Nov 14, 2026-6pm PST Nov 20, 2026
 
Forecast Discussion
 
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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