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

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Isolated severe thunderstorm gusts and a couple of tornadoes will be possible from southeast New Mexico into west Texas. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

61°F

16°C

Humidity 73%
Wind Speed WSW 10 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 28 Sep 11:30 PM PDT
Extended Forecast for

Mountlake Terrace WA

  • Tonight

    Tonight: Rain likely, mainly after 5am. Cloudy, with a low around 55. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly before 5pm. High near 59. South wind 10 to 15 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 48. Northeast wind 3 to 5 mph.

    Low: 48 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. North northwest wind 3 to 7 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. North wind 5 to 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Cloudy, with a low around 55. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 5pm. High near 59. South wind 10 to 15 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A 30 percent chance of rain, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 48. Northeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 60. North northwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 48. North wind 5 to 7 mph.
Thursday
Mostly cloudy, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountlake Terrace WA
 47.8°N 122.35°W (Elev. 400 ft)
Last Update:
11:26 pm PDT Sep 28, 2026
Forecast Valid:
11pm PDT Sep 28, 2026-6pm PDT Oct 5, 2026
 
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Additional Resources

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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