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Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

69°F

21°C

Humidity 58%
Wind Speed NNE 3 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 06 Sep 07:30 PM PDT
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Light and variable wind.

    Low: 53 °F

    Increasing
    Clouds

  • Labor Day

    Labor Day: A 30 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Light north wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. Light and variable wind.
Labor Day
A 30 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Light and variable wind.
Monday Night
Partly cloudy, with a low around 50. Calm wind.
Tuesday
Sunny, with a high near 73. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 52. Light north wind.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 67.
Friday Night
A chance of rain. Mostly cloudy, with a low around 51.
Saturday
A chance of rain. Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.04°W (Elev. 469 ft)
Last Update:
8:31 pm PDT Sep 6, 2026
Forecast Valid:
9pm PDT Sep 6, 2026-6pm PDT Sep 13, 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