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

Today's forecast for Fairfield shows a low of 35 degrees Fahrenheit. A 20 percent chance of rain before midnight.

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

The 7-day forecast for Fairfield shows highs from 33 to 44 degrees and lows from 20 to 35 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Fairfield, IL this week?

Yes, rain is possible in Fairfield this week. Precipitation chances: Tuesday (20% chance), Friday (30% chance), Saturday (50% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Fairfield weather forecast?

WeatherForYou provides highly accurate Fairfield 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.

Fairfield, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory

Current Conditions From Nearby Local Station

Switch to Metric Units

54°F
Feels Like 54°F

Humidity 94% Dew Point 52°F Wind Calm Barometer 29.91 in.

Visibility 10 mi.

Report from a NOAA weather station 3.1 mi. W of central Fairfield
at 7:15 PM Tue, Nov 25, 2025

Point Forecast at a Glance

TueNov 25

20%

WedNov 26

ThuNov 27

FriNov 28

SatNov 29

50%

SunNov 30

50%

MonDec 1

50%

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 44°F to 33°F. Unsettled weather expected with wintry mix likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 11°F below the historical average for November-December. Normal highs for this period are around 49°F with lows around 30°F.

This Date in Weather History

1983 - The Great Thanksgiving Weekend Blizzard hit Denver, CO. The storm produced 21.5 inches of snow in 37 hours, closing Stapleton Airport for 24 hours. The snow and wind closed interstate highways around Denver. Visibility at Limon CO was down to zero for 24 hours.

Fairfield, IL 7 Day Weather Forecast Details

Tuesday Nov 25

Night: A 20 percent chance of rain before midnight. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 35. Light and variable wind becoming west 13 to 18 mph in the evening. Winds could gust as high as 38 mph.

Wednesday Nov 26

Day: Mostly cloudy, then gradual clearing during the afternoon, with a high near 44. Breezy, with a west wind 14 to 22 mph, with gusts as high as 39 mph.

Night: Increasing clouds, with a low around 27. West wind 6 to 10 mph, with gusts as high as 18 mph.

Thursday Nov 27

Day: Sunny, with a high near 42. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.

Night: Mostly clear, with a low around 20. West northwest wind around 6 mph becoming calm in the evening.

Friday Nov 28

Day: Sunny, with a high near 37. Light and variable wind.

Night: A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 25. Calm wind becoming southeast around 6 mph after midnight.

Saturday Nov 29

Day: Snow showers likely before noon, then rain and snow showers. Cloudy, with a high near 40. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.

Night: Showers. Cloudy, with a low around 29. South southeast wind 6 to 8 mph becoming west after midnight.

Sunday Nov 30

Day: A chance of rain and snow showers. Mostly cloudy, with a high near 38. Northwest wind 7 to 9 mph.

Night: A chance of snow showers. Mostly cloudy, with a low around 21. North northwest wind 3 to 6 mph.

Monday Dec 1

Day: A chance of snow showers. Mostly cloudy, with a high near 33. North wind around 6 mph.

Night: A chance of snow showers. Mostly cloudy, with a low around 20. North wind 3 to 5 mph.

Tuesday Dec 2

Day: A slight chance of snow showers. Partly sunny, with a high near 34. North northwest wind 5 to 7 mph.

About Fairfield, IL

Fairfield is a city in and the county seat of Wayne County, Illinois, United States, and the location of Frontier Community College. The population was 4,883 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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