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Upper Preston, Washington Weather Forecast
Upper Preston, Washington Weather
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Weather Forecast for Upper Preston, Washington : King County
Issued: 1:25 am PST Dec 15, 2025 Latitude: 47.5051019 Longitude: -121.907615 View on Google Maps

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Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
100% chance of thunderstorms on Today 90% chance of thunderstorms on Tonight 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
High: 59 °F Low: 44°F High: 55°F High: 47°F High: 50°F High: 45°F High: 45°F High: 46°F
Low: 39°F Low: 39°F Low: 38°F Low: 36°F Low: 36°F  
Thunderstorms Thunderstorms Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
RENTON - (KRNT)
52°
Cloudy
Light Rain
as of 5:53 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: MVFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Broken at 1400ft, Solid Overcast at 3300ft
Current Conditions at
BOEING FIELD - (KBFI)
52°
Cloudy
Light Rain
as of 5:53 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 8 Miles
Pressure: 29.80 in.
Flight Rule: IFR
Wind Data
3 MPH
Cloud Level(s): Broken at 800ft, Broken at 1400ft, Solid Overcast at 2600ft
Current Conditions at
SEATTLE-TACOMA - (KSEA)
52°
Cloudy
Light Rain
as of 5:53 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 7 Miles
Pressure: 29.79 in.
Flight Rule: MVFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Scattered at 400ft, Broken at 2400ft, Solid Overcast at 3500ft
Current Conditions at
STAMPEDE PASS - (KSMP)
39°
Cloudy
Light Rain Fog
as of 6:00 AM PST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 1/2 Miles
Pressure: 29.90 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 800ft, Broken at 1700ft, Solid Overcast at 2300ft
100% chance of thunderstorms Today Today... Rain before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Temperature rising to near 59 by 11am, then falling to around 51 during the remainder of the day. South wind 16 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

90% chance of thunderstorms Tonight Tonight... Rain and possibly a thunderstorm. Low around 44. Southwest wind 9 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

100% chance of rain Tuesday Tuesday... Rain. High near 55. South southwest wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain Tuesday Night Tuesday Night... Rain. Low around 39. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

90% chance of rain Wednesday Wednesday... Rain before 11am, then showers after 11am. High near 47. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

80% chance of rain Wednesday Night Wednesday Night... Showers before 3am, then rain after 3am. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

100% chance of rain Thursday Thursday... Rain. High near 50. Chance of precipitation is 100%.

Rain on Thursday Night Thursday Night... Rain. Cloudy, with a low around 38.

Rain on Friday Friday... Rain. Cloudy, with a high near 45.

Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 36.

Rain on Saturday Saturday... Rain. Cloudy, with a high near 45.

Rain and Snow on Saturday Night Saturday Night... Rain, possibly mixed with snow. Mostly cloudy, with a low around 36.

70% chance of rain & snow Sunday Sunday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 46.

Current Radar Image


Sun Almanac for Upper Preston, Washington
Sunrise: 07:49 AM
Sunset: 4:17 PM
Civil Sunrise:07:13 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:34 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 6:09 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.