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Hamilton, Washington Weather Forecast
Hamilton, Washington Weather
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Weather Forecast for Hamilton, Washington : Skagit County
Issued: 1:25 am PST Dec 16, 2025 Latitude: 48.5214995 Longitude: -121.9893146 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
60% chance of rain on Overnight 100% chance of rain on Tuesday 90% chance of thunderstorms on Wednesday 100% chance of rain on Thursday Rain on Friday Rain on Saturday 70% chance of rain & snow on Sunday Rain and Snow on Monday
Low: 42°F High: 52°F High: 44°F High: 46°F High: 42°F High: 42°F High: 43°F High: 44°F
Low: 39°F Low: 38°F Low: 34°F Low: 35°F Low: 34°F Low: 37°F  
Rain Rain Thunderstorms Rain Rain Rain Rain & Snow Rain and Snow
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Current Conditions at
SKAGIT RGNL ARPT - (KBVS)
45°
Cloudy
as of 12:55 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 9 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
8 MPH
080° East
Cloud Level(s): Few at 2700ft, Scattered at 3600ft, Solid Overcast at 7500ft
Current Conditions at
ARLINGTON MUNICIPAL - (KAWO)
45°
Cloudy
as of 12:56 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
6 MPH
010° North
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
BELLINGHAM - (KBLI)
46°
Cloudy
as of 12:53 AM PST
Rel. Humidity: 70%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
8 MPH
160° South
Cloud Level(s): Broken at 7000ft, Solid Overcast at 8000ft
60% chance of rain Overnight Overnight... Rain likely, mainly before 3am. Mostly cloudy, with a low around 42. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. Patchy fog after noon. High near 52. Southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of thunderstorms Tuesday Night Tuesday Night... Rain, mainly before 4am, then showers and possibly a thunderstorm after 4am. Patchy fog before 11pm. Low around 39. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
90% chance of thunderstorms Wednesday Wednesday... Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 44. West southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 38. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Thursday Thursday... Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of thunderstorms Thursday Night Thursday Night... Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 34. Chance of precipitation is 90%.
Rain on Friday Friday... Rain. Cloudy, with a high near 42.
Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 35.
Rain on Saturday Saturday... Rain. Cloudy, with a high near 42.
Rain and Snow on Saturday Night Saturday Night... Rain, possibly mixed with snow. Mostly cloudy, with a low around 34.
70% chance of rain & snow Sunday Sunday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43.
Rain and Snow on Sunday Night Sunday Night... Rain, possibly mixed with snow. Mostly cloudy, with a low around 37.
Rain and Snow on Monday Monday... Rain, possibly mixed with snow. Mostly cloudy, with a high near 44.
Sun Almanac for Hamilton, Washington
Sunrise: 07:55 AM
Sunset: 4:13 PM
Civil Sunrise:07:18 AM
Civil Sunset: 4:50 PM
Nautical Sunrise: 06:38 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:08 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.