What is today's weather forecast for Cornelius, OR?

Today's forecast for Cornelius shows a high of 53 degrees and a low of 37 degrees Fahrenheit. A 40 percent chance of rain after 11am.

What is the 7-day weather forecast for Cornelius, OR?

The 7-day forecast for Cornelius shows highs from 48 to 54 degrees and lows from 35 to 41 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Cornelius, OR this week?

Yes, rain is possible in Cornelius this week. Precipitation chances: Thursday (40% chance), Friday (20% chance), Saturday (20% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance), Wednesday (50% chance).

How accurate is the Cornelius weather forecast?

WeatherForYou provides highly accurate Cornelius 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.

Cornelius, OR Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

43°F
Feels Like 43°F

Humidity 99% Dew Point 43°F Wind SE 1 MPH Gusts 1 Barometer 30.01 in.762.3 mm

Report from a MADIS/MESONET weather station 0.3 miles SSW of central Cornelius
at 6:27 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

40%

FriNov 21

SatNov 22

SunNov 23

40%

MonNov 24

50%

TueNov 25

WedNov 26

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 48°F to 54°F. Unsettled weather expected with wintry mix likely on at least 7 days.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 52°F and lows around 39°F.

This Date in Weather History

1869 - A second great windstorm in three days struck Vermont and New York blowing railroad trains off their tracks.

Cornelius, OR 7 Day Weather Forecast Details

Thursday Nov 20

Day: A 40 percent chance of rain after 11am. Partly sunny, with a high near 53. Calm wind becoming south around 5 mph.

Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 37. Calm wind.

Friday Nov 21

Day: Patchy fog before noon. Otherwise, partly sunny, with a high near 52. Calm wind.

Night: A 20 percent chance of rain. Patchy fog before 9pm, then patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 39. Calm wind.

Saturday Nov 22

Day: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Calm wind.

Night: A 20 percent chance of rain after 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 41.

Sunday Nov 23

Day: A 40 percent chance of rain. Mostly cloudy, with a high near 53.

Night: Rain. Mostly cloudy, with a low around 39.

Monday Nov 24

Day: A chance of rain. Partly sunny, with a high near 52.

Night: Mostly cloudy, with a low around 35.

Tuesday Nov 25

Day: Partly sunny, with a high near 49.

Night: A chance of rain and snow. Mostly cloudy, with a low around 36.

Wednesday Nov 26

Day: A chance of rain and snow. Mostly cloudy, with a high near 48.

About Cornelius, OR

Cornelius is a city in Washington County, Oregon, United States. Located in the Portland metropolitan area, the city's population was 11,869 at the 2010 census. The city lies along Tualatin Valley Highway between Forest Grove to the west and Hillsboro to the east. Cornelius was incorporated in 1893 and is named for founder Thomas R. Cornelius.

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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