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

Today's forecast for Trenton shows a low of 35 degrees Fahrenheit. A chance of sprinkles before 8pm, then a slight chance of rain between 8pm and 9pm.

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

The 7-day forecast for Trenton shows highs from 31 to 44 degrees and lows from 19 to 35 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Trenton, IL this week?

Yes, rain is possible in Trenton this week. Precipitation chances: Tuesday (20% chance), Friday (50% chance), Saturday (80% chance), Sunday (20% chance), Monday (20% chance).

How accurate is the Trenton weather forecast?

WeatherForYou provides highly accurate Trenton 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.

Trenton, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

53°F
Feels Like 53°F

Humidity 96% Dew Point 52°F Wind Calm Barometer 29.91 in.

Report from a MADIS/MESONET weather station 1.9 mi. E of central Trenton
at 6:00 PM Tue, Nov 25, 2025

Point Forecast at a Glance

TueNov 25

20%

WedNov 26

ThuNov 27

FriNov 28

SatNov 29

80%

SunNov 30

20%

MonDec 1

20%

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 44°F to 31°F. Unsettled weather expected with wintry mix likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 12°F below the historical average for November-December. Normal highs for this period are around 49°F with lows around 31°F.

This Date in Weather History

1950 - A great storm hit the Northern and Central Appalachians with snow and high winds. Winds reached hurricane force along eastern slopes of the Appalachians, with gusts to 100 mph at Hartford CT, 110 mph at Concord NH, and 160 mph at Mount Washington NH. Heavy rain also hit the eastern slopes, with eight inches reported at Slide Mountain NY. The western slopes were buried under heavy snow. The storm produced record snowfall totals of 27.7 inches at Pittsburgh PA, and 36.3 inches at Steubenville OH. The snow, and record cold temperatures, resulted in 160 deaths.

Trenton, IL 7 Day Weather Forecast Details

Tuesday Nov 25

Night: A chance of sprinkles before 8pm, then a slight chance of rain between 8pm and 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 35. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

Wednesday Nov 26

Day: Partly sunny, then gradually becoming sunny, with a high near 44. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph.

Night: Increasing clouds, with a low around 26. West wind 9 to 13 mph, with gusts as high as 22 mph.

Thursday Nov 27

Day: Sunny, with a high near 42. Northwest wind 8 to 14 mph.

Night: Mostly clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.

Friday Nov 28

Day: Mostly sunny, with a high near 38.

Night: A 50 percent chance of snow after midnight. Cloudy, with a low around 29.

Saturday Nov 29

Day: Rain and snow. High near 40. Chance of precipitation is 80%.

Night: Rain likely, mainly before midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.

Sunday Nov 30

Day: A 20 percent chance of rain. Mostly cloudy, with a high near 35.

Night: A slight chance of rain and snow. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.

Monday Dec 1

Day: A slight chance of rain and snow. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.

Night: A 20 percent chance of snow. Mostly cloudy, with a low around 20.

Tuesday Dec 2

Day: Partly sunny, with a high near 32.

About Trenton, IL

Trenton is a city in Clinton County, Illinois, United States. The population was 2,690 at the 2020 census. There is, however, a small portion of St. Clair County, Illinois inside Trenton.

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.

Your favorites: