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

Today's forecast for Marietta shows a high of 76 degrees and a low of 58 degrees Fahrenheit. Sunny, with a high near 76.

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

The 7-day forecast for Marietta shows highs from 51 to 76 degrees and lows from 32 to 58 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Marietta, IL this week?

Yes, rain is possible in Marietta this week. Precipitation chances: Monday (60% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the Marietta weather forecast?

WeatherForYou provides highly accurate Marietta 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.

Marietta, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

76°F
Feels Like 76°F

Humidity 52% Dew Point 57°F Wind SSW 13 MPH Gusts 16 Barometer 29.88 in.759 mm

Solar Rad 299 w/m² Visibility 10 mi.

Report from a NOAA weather station 13.6 miles W of central Marietta
at 2:35 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

30%

TueNov 18

WedNov 19

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 76°F to a low of 51°F, then recover to 58°F by week's end. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 10°F above the historical average for November. Normal highs for this period are around 50°F with lows around 31°F.

This Date in Weather History

1987 - The first major snowstorm of the season hit the Southern and Central Rockies, producing 12 inches at the Brian Head ski resort in Utah overnight. Strong and gusty winds associated with the storm reached 52 mph at Ruidoso NM. In the eastern U.S., the temperature at Washington D.C. soared to 68 degrees, just three days after being buried under more than a foot of snow.

Marietta, IL 7 Day Weather Forecast Details

Friday Nov 14

Day: Sunny, with a high near 76. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

Night: Increasing clouds, with a low around 58. South southwest wind 7 to 11 mph, with gusts as high as 23 mph.

Saturday Nov 15

Day: Mostly cloudy, then gradually becoming sunny, with a high near 74. Southwest wind 11 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

Night: Mostly clear, with a low around 35. North northwest wind 5 to 9 mph, with gusts as high as 20 mph.

Sunday Nov 16

Day: Sunny, with a high near 54. North northwest wind 3 to 6 mph.

Night: Partly cloudy, with a low around 32. Light and variable wind.

Monday Nov 17

Day: A 30 percent chance of rain after noon. Partly sunny, with a high near 54. Light east northeast wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

Tuesday Nov 18

Day: Partly sunny, with a high near 51.

Night: Mostly cloudy, with a low around 34.

Wednesday Nov 19

Day: Partly sunny, with a high near 53.

Night: A chance of rain. Mostly cloudy, with a low around 39.

Thursday Nov 20

Day: Rain likely. Mostly cloudy, with a high near 58.

About Marietta, IL

Marietta is a village in Fulton County, Illinois, United States. The population was 101 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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