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Union Mill, Washington Weather Forecast
Union Mill, Washington Weather
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Weather Forecast for Union Mill, Washington : Thurston County
Issued: 1:25 am PST Dec 15, 2025 Latitude: 47.0325963 Longitude: -122.7745781 View on Google Maps

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Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
100% chance of rain on Overnight 90% chance of thunderstorms on Monday 100% chance of rain on Tuesday 90% chance of rain on Wednesday Rain on Thursday Rain on Friday Rain on Saturday 70% chance of rain & snow on Sunday
Low: 50°F High: 58°F High: 54°F High: 47°F High: 49°F High: 46°F High: 44°F High: 45°F
Low: 45°F Low: 40°F Low: 40°F Low: 39°F Low: 37°F Low: 37°F  
Rain Thunderstorms Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
OLYMPIA - (KOLM)
54°
Cloudy
as of 1:54 AM PST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
FORT LEWIS - (KGRF)
55°
Cloudy
as of 1:55 AM PST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
8 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 3300ft
Current Conditions at
MCCHORD AFB - (KTCM)
55°
Cloudy
as of 2:21 AM PST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Solid Overcast at 3400ft
Current Conditions at
SHELTON - (KSHN)
48°
Cloudy
Light Rain Mist
as of 1:53 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 4 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2600ft
100% chance of rain Overnight Overnight... Rain. Low around 50. South wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of thunderstorms Monday Monday... Rain and thunderstorms before 4pm, then rain and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 58. Breezy, with a south wind 24 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
90% chance of rain Monday Night Monday Night... Rain. Low around 45. South wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. High near 54. South southwest wind 14 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 rain Tuesday Night Tuesday Night... Rain. Low around 40. Windy, with a west southwest wind 28 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
90% chance of rain Wednesday Wednesday... Rain before 11am, then showers, mainly after 11am. High near 47. Breezy. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of rain Wednesday Night Wednesday Night... Showers, mainly before 3am, then rain after 3am. Low around 40. Chance of precipitation is 80%.
Rain on Thursday Thursday... Rain. Cloudy, with a high near 49.
Rain on Thursday Night Thursday Night... Rain. Cloudy, with a low around 39.
Rain on Friday Friday... Rain. Cloudy, with a high near 46.
Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 37.
Rain on Saturday Saturday... Rain. Cloudy, with a high near 44.
Rain and Snow on Saturday Night Saturday Night... Rain, possibly mixed with snow. Mostly cloudy, with a low around 37.
70% chance of rain & snow Sunday Sunday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.
Current Radar Image


Sun Almanac for Union Mill, Washington
Sunrise: 07:51 AM
Sunset: 4:22 PM
Civil Sunrise:07:15 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:36 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:59 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.