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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

66°F

19°C

Humidity 63%
Wind Speed NW 8 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 05:15 PM PDT
Extended Forecast for

3 Miles SW Sammamish WA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light east southeast wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 4am. Increasing clouds, with a low around 55. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Partly Cloudy
    then Rain
    Likely

  • Saturday

    Saturday: Rain, mainly before 11am. High near 63. South southwest wind around 6 mph becoming calm in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 59.

    High: 59 °F

    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Light east southeast wind.
Friday
Mostly sunny, with a high near 77. Calm wind.
Friday Night
Rain likely, mainly after 4am. Increasing clouds, with a low around 55. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly before 11am. High near 63. South southwest wind around 6 mph becoming calm in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 41. Calm wind.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Cloudy, with a high near 59.
Monday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Sammamish WA
 47.58°N 122.09°W (Elev. 200 ft)
Last Update:
1:20 pm PDT Oct 15, 2026
Forecast Valid:
5pm PDT Oct 15, 2026-6pm PDT Oct 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation