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Mill Plain, Washington Weather Forecast
Mill Plain, Washington Weather
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Click for Flood Watch for Mill Plain, Washington
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Weather Forecast for Mill Plain, Washington : Clark County
Issued: 11:45 pm PST Dec 15, 2025 Latitude: 45.6428959 Longitude: -122.4939829 View on Google Maps

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Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
90% chance of rain on Overnight 70% chance of rain on Tuesday 100% chance of rain on Wednesday 100% chance of rain on Thursday Rain on Friday 70% chance of rain on Saturday 70% chance of rain on Sunday 70% chance of rain on Monday
Low: 48°F High: 58°F High: 48°F High: 54°F High: 46°F High: 46°F High: 48°F High: 49°F
Low: 42°F Low: 40°F Low: 40°F Low: 38°F Low: 38°F Low: 40°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
PORTLAND - (KPDX)
54°
Cloudy
Light Rain
as of 10:53 PM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 8 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 2100ft, Broken at 3900ft, Solid Overcast at 6000ft
Current Conditions at
TROUTDALE - (KTTD)
54°
Cloudy
as of 10:53 PM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 2000ft, Solid Overcast at 6500ft
Current Conditions at
VANCOUVER - (KVUO)
54°
Cloudy
as of 10:53 PM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Few at 4000ft, Broken at 4900ft, Solid Overcast at 8500ft
Current Conditions at
AURORA STATE - (KUAO)
54°
Cloudy
as of 10:53 PM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Few at 4500ft, Broken at 5500ft, Solid Overcast at 8000ft
90% chance of rain Overnight Overnight... Rain. Low around 48. East southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Tuesday Tuesday... Rain likely, mainly after 10am. Mostly cloudy, with a high near 58. Breezy, with a south wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms before 1am, then rain likely, mainly between 1am and 2am. Low around 42. Breezy, with a south southwest wind 16 to 21 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
100% chance of rain Wednesday Wednesday... Rain. High near 48. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 40. 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 54. Chance of precipitation is 100%.
100% chance of rain Thursday Night Thursday Night... Rain. Low around 40. Chance of precipitation is 100%.
Rain on Friday Friday... Rain. Cloudy, with a high near 46.
70% chance of rain Friday Night Friday Night... Rain likely. Mostly cloudy, with a low around 38.
70% chance of rain Saturday Saturday... Rain likely. Mostly cloudy, with a high near 46.
20% chance of rain Saturday Night Saturday Night... A chance of rain. Mostly cloudy, with a low around 38.
70% chance of rain Sunday Sunday... Rain likely. Mostly cloudy, with a high near 48.
70% chance of rain Sunday Night Sunday Night... Rain likely. Mostly cloudy, with a low around 40.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 49.
Current Radar Image


Sun Almanac for Mill Plain, Washington
Sunrise: 07:45 AM
Sunset: 4:27 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:01 PM
Nautical Sunrise: 06:33 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 6:15 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.