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

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01417°WElev: 770.0ft.

NA

58°F

14°C

Humidity 84%
Wind Speed SE 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 20 Sep 11:55 PM PDT
Extended Forecast for

Sammamish WA

  • Overnight

    Overnight: Rain, mainly after 2am. Low around 57. South southeast wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before noon. High near 66. South southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Rain then
    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 71. Calm wind.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

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

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly after 2am. Low around 57. South southeast wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain, mainly before noon. High near 66. South southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 49. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 71. Calm wind.
Monday Night
Clear, with a low around 50. Calm wind.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A slight chance of rain. Mostly sunny, with a high near 70.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Saturday
A slight chance of rain. Partly sunny, with a high near 71.
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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:
8:01 pm PDT Sep 20, 2025
Forecast Valid:
12am PDT Sep 21, 2025-6pm PDT Sep 27, 2025
 
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