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Sammamish, Washington Weather Forecast
Sammamish, Washington Weather
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Weather Forecast for Sammamish, Washington : King County
Issued: 7:01 pm PST Dec 15, 2025 Latitude: 47.6417664 Longitude: -122.0803998 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
80% chance of rain on Overnight 100% chance of rain on Tuesday 90% chance of rain on Wednesday 100% chance of rain on Thursday Rain on Friday Rain on Saturday 70% chance of rain & snow on Sunday 70% chance of rain & snow on Monday
Low: 45°F High: 54°F High: 47°F High: 50°F High: 45°F High: 45°F High: 45°F High: 45°F
Low: 41°F Low: 41°F Low: 38°F Low: 38°F Low: 37°F Low: 36°F  
Rain Rain Rain Rain Rain Rain Rain & Snow Rain & Snow
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Current Conditions at
RENTON - (KRNT)
48°
Cloudy
Light Rain Mist
as of 12:29 AM PST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 4 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
6 MPH
150° Southeast
Cloud Level(s): Scattered at 1900ft, Broken at 2900ft, Solid Overcast at 3600ft
Current Conditions at
BOEING FIELD - (KBFI)
50°
Feels like 45°F
Mostly Cloudy
as of 11:53 PM PST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Broken at 5500ft
Current Conditions at
SEATTLE-TACOMA - (KSEA)
48°
Feels like 44°F
Cloudy
Light Rain
as of 12:08 AM PST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 7 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Broken at 1200ft, Broken at 1800ft, Solid Overcast at 2400ft
Current Conditions at
EVERETT - (KPAE)
46°
Feels like 41°F
Cloudy
as of 12:24 AM PST
Rel. Humidity: 87%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
9 MPH
180° South
Cloud Level(s): Few at 1700ft, Broken at 2300ft, Solid Overcast at 6500ft
80% chance of rain Overnight Overnight... Rain. Low around 45. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. High near 54. South southwest wind 6 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of rain Tuesday Night Tuesday Night... Rain. Low around 41. Southwest wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
90% chance of rain Wednesday Wednesday... Rain. High near 47. South southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 41. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Thursday Thursday... Rain. High near 50. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain Thursday Night Thursday Night... Rain. Low around 38. Chance of precipitation is 90%.
Rain on Friday Friday... Rain. Cloudy, with a high near 45.
Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 38.
Rain on Saturday Saturday... Rain. Cloudy, with a high near 45.
70% chance of rain & snow Saturday Night Saturday Night... Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 37.
70% chance of rain & snow Sunday Sunday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.
70% chance of rain & snow Sunday Night Sunday Night... Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36.
70% chance of rain & snow Monday Monday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.
Current Radar Image


Sun Almanac for Sammamish, Washington
Sunrise: 07:51 AM
Sunset: 4:17 PM
Civil Sunrise:07:15 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:36 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:58 AM
Astro Sunset: 6:10 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.