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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Oct 03:15 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Southeast wind around 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. South southeast wind around 5 mph becoming calm in the morning.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 3am. Increasing clouds, with a low around 53. Light south wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Partly Cloudy
    then Rain
    Likely

  • Saturday

    Saturday: A chance of rain before 3pm, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. South southwest wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Northeast wind 3 to 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 72. South southeast wind around 5 mph becoming calm in the morning.
Friday Night
Rain likely, mainly after 3am. Increasing clouds, with a low around 53. Light south wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 3pm, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. South southwest wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 43. Northeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 55.
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 41.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
11:26 pm PDT Oct 15, 2026
Forecast Valid:
3am PDT Oct 16, 2026-6pm PDT Oct 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation