Weather forecast for todayMarietta, IL

Weather forecast for today

Current condition 11:59 pm CDT

  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 5mphS 170°
  • Humidity: 71%
  • Dewpoint: 34°F
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, a deep blue sky remains clear and cloudless.
The temperature is a chilly 42.8°F, with the feels-like temperature being estimated at a wintry 39.2°F. The current temperature is a few degrees off the minimum of 37.4°F.

Saturday Oct 17, 2026

  • min.
  • 37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 180°
  • Humidity: 82%
  • UV index: 0
  • Sunrise: 7:14 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
For the remainder of Saturday, expect a flawless blue sky throughout the day.
The lowest temperature will be a cold 37.4°F.
Sunrise was at 7:14 am and sunset at 6:18 pm; the daylight lasted for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 12 am 43°C.
Coldest period: 6 am - 7 am 37°C.

Chance of precipitation

Highest chance: 7 am - 8 am 5%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 178°
  • Humidity: 73%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 178°
  • Humidity: 75%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 180°
  • Humidity: 77%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 84%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 184°
  • Humidity: 86%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 180°
  • Humidity: 87%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 179°
  • Humidity: 89%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 182°
  • Humidity: 89%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:14 am
  • 8 am
  • 41°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 182°
  • Humidity: 87%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 am
  • 46°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphS 185°
  • Humidity: 76%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Updated: Oct 18, 2026 @ 04:59:31 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 11:59 pm CDT, the temperature is 42.8°F.

On Saturday, in Marietta, the weather will remain pristine and clear.

On Saturday, in Marietta, sunrise was at 7:14 am and sunset at 6:18 pm (CDT).

Today in Marietta, the length of the day was 11h and 4min.