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Port Arthur, Washington Weather Forecast
Port Arthur, Washington Weather
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Weather Forecast for Port Arthur, Washington : Island County
Issued: 7:01 pm PST Dec 17, 2025 Latitude: 48.2145427 Longitude: -122.7162818 View on Google Maps

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Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
90% chance of rain on Tonight 90% 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: 51°F High: 46°F High: 46°F High: 46°F High: 47°F High: 47°F High: 44°F
Low: 39°F Low: 39°F Low: 41°F Low: 40°F Low: 39°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
WHIDBEY IS NAS - (KNUW)
46°
Feels like 37°F
Cloudy
as of 7:53 PM PST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 33 MPH
150° Southeast
Cloud Level(s): Scattered at 2000ft, Broken at 4500ft, Solid Overcast at 8000ft
Current Conditions at
SKAGIT RGNL ARPT - (KBVS)
45°
Feels like 38°F
Cloudy
as of 7:55 PM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
12 MPH
150° Southeast
Cloud Level(s): Scattered at 2600ft, Scattered at 3100ft, Solid Overcast at 6500ft
Current Conditions at
FRIDAY HARBOR - (KFHR)
46°
Feels like 41°F
Cloudy
as of 8:03 PM PST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 21 MPH
140° Southeast
Cloud Level(s): Broken at 1800ft, Solid Overcast at 6500ft
90% chance of rain Tonight Tonight... Rain. Low around 43. South southeast wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Thursday Thursday... Rain, mainly after 4pm. High near 51. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of rain Thursday Night Thursday Night... Rain, mainly before 10pm. Low around 39. West wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of rain Friday Friday... Rain. High near 46. South wind around 9 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 39. South 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 41. 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 47.
Rain on Monday Night Monday Night... Rain. Mostly cloudy, with a low around 39.
70% chance of rain Tuesday Tuesday... Rain likely. Partly sunny, with a high near 47.
20% chance of rain Tuesday Night Tuesday Night... A chance of rain. Mostly cloudy, with a low around 38.
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 Port Arthur, Washington
Sunrise: 07:57 AM
Sunset: 4:18 PM
Civil Sunrise:07:20 AM
Civil Sunset: 4:54 PM
Nautical Sunrise: 06:40 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 06:02 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.