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Boston Harbor, Washington Weather Forecast
Boston Harbor, Washington Weather
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Weather Forecast for Boston Harbor, Washington : Thurston County
Issued: 1:25 pm PST Dec 15, 2025 Latitude: 47.1384293 Longitude: -122.9009743 View on Google Maps

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This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
40% chance of rain on This Afternoon 80% chance of rain 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 on Sunday 70% chance of rain & snow on Monday
High: 51°F Low: 49°F High: 53°F High: 47°F High: 49°F High: 45°F High: 43°F High: 45°F High: 44°F
Low: 43°F Low: 42°F Low: 39°F Low: 38°F Low: 38°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
OLYMPIA - (KOLM)
52°
Cloudy
as of 4:54 PM PST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
8 MPH
Gust: 18 MPH
240° Southwest
Cloud Level(s): Few at 1400ft, Scattered at 1900ft, Solid Overcast at 3000ft
Current Conditions at
SHELTON - (KSHN)
50°
Feels like 43°F
Mostly Cloudy
Light Rain
as of 4:53 PM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 30 MPH
240° Southwest
Cloud Level(s): Few at 1600ft, Scattered at 2900ft, Broken at 4000ft
Current Conditions at
FORT LEWIS - (KGRF)
54°
Cloudy
as of 5:17 PM PST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
9 MPH
160° South
Cloud Level(s): Few at 2400ft, Broken at 3400ft, Broken at 4200ft, Broken at 5000ft
Current Conditions at
MCCHORD AFB - (KTCM)
52°
Cloudy
as of 5:06 PM PST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
12 MPH
230° Southwest
Cloud Level(s): Few at 500ft, Scattered at 1300ft, Scattered at 2700ft, Broken at 3400ft, Solid Overcast at 4100ft
40% chance of rain This Afternoon This Afternoon... A 40 percent chance of rain. Partly sunny, with a steady temperature around 51. Southwest wind around 21 mph, with gusts as high as 30 mph.
80% chance of rain Tonight Tonight... Rain, mainly after midnight. Steady temperature around 49. South southwest wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. High near 53. South wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
100% chance of thunderstorms Tuesday Night Tuesday Night... Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 43. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
90% chance of rain Wednesday Wednesday... Rain. High near 47. Southwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 42. 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 49. Chance of precipitation is 100%.
Rain on Thursday Night Thursday Night... Rain. Cloudy, with a low around 39.
Rain on Friday Friday... Rain. Cloudy, with a high near 45.
Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 38.
Rain on Saturday Saturday... Rain. Cloudy, with a high near 43.
70% chance of rain Saturday Night Saturday Night... Rain likely. Mostly cloudy, with a low around 38.
70% chance of rain Sunday Sunday... Rain likely. Mostly cloudy, with a high near 45.
70% chance of rain & snow Sunday Night Sunday Night... Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.
70% chance of rain & snow Monday Monday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 44.
Current Radar Image


Sun Almanac for Boston Harbor, Washington
Sunrise: 07:52 AM
Sunset: 4:22 PM
Civil Sunrise:07:16 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 06:00 AM
Astro Sunset: 6:14 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.