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Decatur, Washington Weather Forecast
Decatur, Washington Weather
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Weather Forecast for Decatur, Washington : San Juan County
Issued: 1:25 pm PST Dec 15, 2025 Latitude: 48.5003792 Longitude: -122.8196218 View on Google Maps

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Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
70% chance of rain on Tonight 100% chance of rain on Tuesday 70% chance of rain on Wednesday 100% chance of rain on Thursday 70% chance of rain on Friday Rain on Saturday 20% chance of rain on Sunday 70% chance of rain on Monday
Low: 48°F High: 52°F High: 48°F High: 49°F High: 46°F High: 45°F High: 45°F High: 46°F
Low: 43°F Low: 43°F Low: 41°F Low: 40°F Low: 39°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
FRIDAY HARBOR - (KFHR)
48°
Feels like 43°F
Clear
as of 4:53 PM PST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 32 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
WHIDBEY IS NAS - (KNUW)
50°
Feels like 42°F
Partly Cloudy
as of 4:53 PM PST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 41 MPH
270° West
Cloud Level(s): Few at 4000ft, Scattered at 10000ft, Scattered at 20000ft
Current Conditions at
ORCAS ISLAND ARPT - (KORS)
52°
Clear
as of 5:35 PM PST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
210° Southwest
Cloud Level(s): Clear
70% chance of rain Tonight Tonight... Rain likely. Mostly cloudy, with a steady temperature around 48. Breezy, with a west southwest wind 18 to 28 mph becoming southwest 8 to 13 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. High near 52. South wind around 15 mph, with gusts as high as 20 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 43. Windy, with a south wind 18 to 23 mph becoming west southwest 25 to 30 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 48. Windy, with a west southwest wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of rain Wednesday Night Wednesday Night... Rain. Low around 43. South southeast wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Thursday Thursday... Rain. High near 49. Breezy. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Thursday Night Thursday Night... Rain. Low around 41. Chance of precipitation is 80%.
70% chance of rain Friday Friday... Rain likely. Mostly cloudy, with a high near 46.
Rain on Friday Night Friday Night... Rain. Mostly cloudy, with a low around 40.
Rain on Saturday Saturday... Rain. Mostly cloudy, with a high near 45.
70% chance of rain Saturday Night Saturday Night... Rain likely. Mostly cloudy, with a low around 39.
20% chance of rain Sunday Sunday... A chance of rain. Mostly cloudy, with a high near 45.
70% chance of rain Sunday Night Sunday Night... Rain likely. Mostly cloudy, with a low around 38.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 46.
Current Radar Image


Sun Almanac for Decatur, Washington
Sunrise: 07:57 AM
Sunset: 4:16 PM
Civil Sunrise:07:20 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:40 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 06:02 AM
Astro Sunset: 6:11 PM
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