What is today's weather forecast for Portland Corners, IL?

Today's forecast for Portland Corners shows a low of 33 degrees Fahrenheit. Widespread frost after 1am.

What is the 7-day weather forecast for Portland Corners, IL?

The 7-day forecast for Portland Corners shows highs from 56 to 62 degrees and lows from 29 to 45 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Portland Corners, IL this week?

Yes, rain is possible in Portland Corners this week. Precipitation chances: Sunday (23% chance), Monday (46% chance), Tuesday (46% chance), Wednesday (36% chance).

How accurate is the Portland Corners weather forecast?

WeatherForYou provides highly accurate Portland Corners 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.

Portland Corners, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Frost Advisory

Current Conditions From Nearby Station

39°F
Feels Like 39°F

Humidity 91% Dew Point 37°F Wind Calm 0 MPH Barometer 29.99 in.761.7 mm

Solar Rad 0 w/m2 UV Index 0

Report from a personal weather station 10.2 miles N of central Portland Corners
at 9:12 PM Wed, Oct 22, 2025

WEATHER ALERTS - Frost Advisory

Current Conditions From Nearby Station

39°F
Feels Like 39°F

Humidity 91% Dew Point 37°F Wind Calm 0 MPH Barometer 29.99 in.761.7 mm

Solar Rad 0 w/m2 UV Index 0

Report from a personal weather station 10.2 miles N of central Portland Corners
at 9:12 PM Wed, Oct 22, 2025

Point Forecast at a Glance

WedOct 22

33°

ThuOct 23

56°

29°

FriOct 24

59°

36°

SatOct 25

61°

44°

SunOct 26

20%

62°

45°

MonOct 27

20%

61°

45°

TueOct 28

50%

59°

42°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 56°F to 62°F. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 4°F below the historical average for October. Normal highs for this period are around 63°F with lows around 41°F.

This Date in Weather History

1988 - A "nor'easter" swept across the coast of New England. Winds gusted to 75 mph, and large waves and high tides caused extensive shoreline flooding. A heavy wet snow blanketed much of eastern New York State, with a foot of snow reported in Lewis County.

Portland Corners 7 Day Weather Forecast Details

Wednesday Oct 22

Night: Widespread frost after 1am. Clear, with a low around 33. West wind around 5 mph.

Thursday Oct 23

Day: Widespread frost before 9am. Sunny. High near 56, with temperatures falling to around 53 in the afternoon. Northwest wind 5 to 15 mph.

Night: Widespread frost after 1am. Clear, with a low around 29. Northwest wind 0 to 5 mph.

Friday Oct 24

Day: Widespread frost before 9am. Sunny, with a high near 59. Southeast wind around 0 mph.

Night: Partly cloudy, with a low around 36.

Saturday Oct 25

Day: Partly sunny, with a high near 61.

Night: Mostly cloudy, with a low around 44.

Sunday Oct 26

Day: A slight chance of rain showers after 7am. Partly sunny, with a high near 62.

Night: A slight chance of rain showers. Mostly cloudy, with a low around 45.

Monday Oct 27

Day: A slight chance of rain showers. Partly sunny, with a high near 61.

Night: A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.