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Allentown, Washington Weather Forecast
Allentown, Washington Weather
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Weather Forecast for Allentown, Washington : King County
Issued: 7:01 pm PST Dec 17, 2025 Latitude: 47.4942659 Longitude: -122.2762343 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
80% chance of rain on Tonight 100% chance of rain on Thursday 80% chance of rain on Friday 90% chance of rain on Saturday Rain on Sunday Rain on Monday 70% chance of rain on Tuesday 20% chance of rain & snow on Wednesday
Low: 43°F High: 53°F High: 45°F High: 46°F High: 46°F High: 46°F High: 46°F High: 44°F
Low: 39°F Low: 40°F Low: 40°F Low: 40°F Low: 39°F Low: 37°F  
Rain Rain Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
RENTON - (KRNT)
45°
Cloudy
Light Rain
as of 9:53 PM PST
Rel. Humidity: 87%
Dew Point: 41°F
Visibility: 9 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Broken at 3400ft, Solid Overcast at 4100ft
Current Conditions at
BOEING FIELD - (KBFI)
45°
Feels like 38°F
Cloudy
Light Rain
as of 9:53 PM PST
Rel. Humidity: 87%
Dew Point: 41°F
Visibility: 8 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
13 MPH
140° Southeast
Cloud Level(s): Scattered at 2900ft, Solid Overcast at 4100ft
Current Conditions at
SEATTLE-TACOMA - (KSEA)
43°
Feels like 36°F
Cloudy
as of 9:53 PM PST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: MVFR
Wind Data
10 MPH
130° Southeast
Cloud Level(s): Broken at 2100ft, Solid Overcast at 2600ft
Current Conditions at
PIERCE CNTY A/P - (KPLU)
45°
Cloudy
as of 10:35 PM PST
Rel. Humidity: 81%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
6 MPH
Gust: 12 MPH
Cloud Level(s): Broken at 4900ft, Broken at 6000ft, Solid Overcast at 7000ft
80% chance of rain Tonight Tonight... Rain, mainly before 4am. Low around 43. South wind around 10 mph. 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 53. South wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Thursday Night Thursday Night... Rain, mainly before 10pm. Low around 39. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

80% chance of rain Friday Friday... Rain. High near 45. South southwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Friday Night Friday Night... Rain. Low around 40. South southwest wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Saturday Saturday... Rain. High near 46. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

80% chance of rain Saturday Night Saturday Night... Rain. Low around 40. Chance of precipitation is 80%.

Rain on Sunday Sunday... Rain. Cloudy, with a high near 46.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 40.

Rain on Monday Monday... Rain. Cloudy, with a high near 46.

70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 39.

70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 46.

20% chance of rain & snow Tuesday Night Tuesday Night... A chance of rain and snow. Mostly cloudy, with a low around 37.

20% chance of rain & snow Wednesday Wednesday... A chance of rain and snow. Mostly cloudy, with a high near 44.

Current Radar Image


Sun Almanac for Allentown, Washington
Sunrise: 07:53 AM
Sunset: 4:19 PM
Civil Sunrise:07:17 AM
Civil Sunset: 4:55 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 06:00 AM
Astro Sunset: 6:12 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.