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

Today's forecast for Raritan shows a low of -1 degrees Fahrenheit. Partly cloudy, with a low around -1.

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

The 7-day forecast for Raritan shows highs from 15 to 38 degrees and lows from -1 to 26 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Raritan, IL this week?

Yes, rain is possible in Raritan this week. Precipitation chances: Saturday (30% chance).

How accurate is the Raritan weather forecast?

WeatherForYou provides highly accurate Raritan 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.

Raritan, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Special Weather Statement

Current Conditions From Nearby Local Station

Switch to Metric Units

11°F
Feels Like 0°F

Humidity 83% Dew Point 7°F Wind NNW 7 MPH Gusts 10 Barometer 30.34 in.

Report from a MADIS/MESONET weather station 0.1 mi. E of central Raritan
at 1:45 AM Thu, Dec 4, 2025

Point Forecast at a Glance

WedDec 3

-1

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

MonDec 8

TueDec 9

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 15°F to a high of 35°F by week's end. Mostly dry conditions with only one day showing snow chances.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for December. Normal highs for this period are around 37°F with lows around 21°F.

This Date in Weather History

1786 - The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage.

Raritan, IL 7 Day Weather Forecast Details

Wednesday Dec 3

Night: Partly cloudy, with a low around -1. Wind chill values as low as -10. North wind 5 to 10 mph.

Thursday Dec 4

Day: Sunny, with a high near 15. Wind chill values as low as -15. North wind around 5 mph becoming calm in the morning.

Night: Mostly clear, with a temperature rising to around 7 by 5am. Wind chill values as low as -10. South wind 5 to 10 mph.

Friday Dec 5

Day: Mostly sunny, with a high near 30. Wind chill values as low as -5. Southwest wind 5 to 10 mph.

Night: Mostly cloudy, with a low around 19.

Saturday Dec 6

Day: Mostly cloudy, with a high near 30.

Night: A 30 percent chance of snow. Cloudy, with a low around 15.

Sunday Dec 7

Day: Partly sunny, with a high near 23.

Night: Mostly cloudy, with a low around 4.

Monday Dec 8

Day: Partly sunny, with a high near 26.

Night: Mostly cloudy, with a low around 17.

Tuesday Dec 9

Day: Partly sunny, with a high near 35.

Night: Mostly cloudy, with a low around 26.

Wednesday Dec 10

Day: Mostly cloudy, with a high near 38.

About Raritan, IL

Raritan is a village in Henderson County, Illinois, United States. The population was 102 at the 2020 census. It is part of the Burlington, IA–IL Micropolitan Statistical Area.

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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