What is today's weather forecast for Hillsboro, IL?

Today's forecast for Hillsboro shows a low of 28 degrees Fahrenheit. Mostly cloudy, with a low around 28.

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

The 7-day forecast for Hillsboro shows highs from 6 to 50 degrees and lows from -4 to 38 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Hillsboro, IL this week?

Yes, rain is possible in Hillsboro this week. Precipitation chances: Saturday (70% chance), Wednesday (30% chance), Thursday (20% chance).

How accurate is the Hillsboro weather forecast?

WeatherForYou provides highly accurate Hillsboro 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.

Hillsboro, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

30°F
Feels Like 29°F

Humidity 97% Dew Point 29°F Wind NE 2 MPH Gusts 3 Barometer 29.91 in.

Report from a MADIS/MESONET weather station 7.7 mi. WNW of central Hillsboro
at 11:32 PM Thu, Dec 11, 2025

Point Forecast at a Glance

ThuDec 11

FriDec 12

SatDec 13

70%

-4

SunDec 14

-1

MonDec 15

TueDec 16

WedDec 17

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 33°F to a low of 6°F mid-week, then warm to 50°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 41°F with lows around 25°F.

This Date in Weather History

1989 - Strong Santa Ana winds developed across southern California and parts of central California. Winds in Kern County of central California gusted to 100 mph near Grapevine. The high winds reduced visibilities to near zero in the desert areas, closing major interstate highways east of Ontario CA.

Hillsboro, IL 7 Day Weather Forecast Details

Thursday Dec 11

Night: Mostly cloudy, with a low around 28. Northeast wind 5 to 7 mph.

Friday Dec 12

Day: Cloudy, with a high near 33. Northeast wind 6 to 8 mph becoming northwest in the afternoon.

Night: Mostly cloudy, with a low around 16. Northwest wind around 7 mph.

Saturday Dec 13

Day: Snow likely, mainly after noon. Cloudy and cold, with a high near 19. North wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Night: A 20 percent chance of snow before 9pm. Partly cloudy, with a low around -4. Northwest wind 7 to 10 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 6.

Night: Mostly clear, with a low around -1.

Monday Dec 15

Day: Sunny, with a high near 31.

Night: Partly cloudy, with a low around 20.

Tuesday Dec 16

Day: Mostly sunny, with a high near 42.

Night: Mostly cloudy, with a low around 32.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 50.

Night: A 30 percent chance of rain. Mostly cloudy, with a low around 38.

Thursday Dec 18

Day: A 20 percent chance of rain. Partly sunny, with a high near 49.

About Hillsboro, IL

Hillsboro is a city in and the county seat of Montgomery County, Illinois, United States. The population was 5,902 at the 2020 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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