What is today's weather forecast for Mill Plain, WA?

Today's forecast for Mill Plain shows a high of 56 degrees and a low of 44 degrees Fahrenheit. Patchy fog before 10am.

What is the 7-day weather forecast for Mill Plain, WA?

The 7-day forecast for Mill Plain shows highs from 48 to 59 degrees and lows from 40 to 48 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Mill Plain, WA this week?

Yes, rain is possible in Mill Plain this week. Precipitation chances: Saturday (60% chance), Sunday (60% chance), Monday (100% chance), Tuesday (90% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance).

How accurate is the Mill Plain weather forecast?

WeatherForYou provides highly accurate Mill Plain forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Mill Plain, WA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

47°F
Feels Like 47°F

Humidity 99% Dew Point 47°F Wind Calm Barometer 30.09 in.

Solar Rad 3 w/m²

Report from a personal weather station 0.5 mi. S of central Mill Plain
at 8:08 AM Sat, Dec 13, 2025

Point Forecast at a Glance

SatDec 13

SunDec 14

60%

MonDec 15

100%

TueDec 16

90%

WedDec 17

50%

ThuDec 18

50%

FriDec 19

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 48°F to 59°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 7°F above the historical average for December. Normal highs for this period are around 46°F with lows around 35°F.

This Date in Weather History

1915 - A heavy snowstorm kicked off the snowiest winter in modern records for western New England.

Mill Plain, WA 7 Day Weather Forecast Details

Saturday Dec 13

Day: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 56. Light and variable wind.

Night: Rain likely after 4am. Increasing clouds, with a low around 44. Southeast wind 3 to 6 mph. Chance of precipitation is 60%.

Sunday Dec 14

Day: Rain likely, mainly before 10am. Cloudy, with a high near 55. Southeast wind around 6 mph. Chance of precipitation is 60%.

Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48. East southeast wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Dec 15

Day: Rain. High near 59. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Night: Rain. Low around 48. Chance of precipitation is 90%.

Tuesday Dec 16

Day: Showers and possibly a thunderstorm. High near 56. Breezy. Chance of precipitation is 90%.

Night: Rain. Cloudy, with a low around 40. Breezy.

Wednesday Dec 17

Day: Rain. Cloudy, with a high near 48.

Night: Rain. Cloudy, with a low around 41.

Thursday Dec 18

Day: Rain. Cloudy, with a high near 51.

Night: Rain. Cloudy, with a low around 42.

Friday Dec 19

Day: Rain. Cloudy, with a high near 48.

About Mill Plain, WA

Mill Plain is an unincorporated area in Clark County, Washington, United States. At the 2000 census it was defined as a census-designated place (CDP) and had a population of 7,400. The area was not listed as a CDP for the 2010 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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