Weather forecast for todayMarietta, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 10:32 pm CDT

  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphSSE 160°
  • Humidity: 67%
  • Dewpoint: 34°F
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, uninterrupted clear skies make for a beautiful day.
The temperature is a frosty 44.6°F, and the feels-like temperature is almost the same at 42.8°F. The current temperature is a few degrees off the lowest anticipated temperature.

Saturday Oct 17, 2026

  • min.
  • 37°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 179°
  • Humidity: 80%
  • UV index: 0
  • Sunrise: 7:14 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
In Marietta, for the rest of Saturday, the atmosphere will remain completely clear and bright.
The lowest temperature will be an icy 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 period: 11 pm - 1 am 43°C.
Coldest period: 6 am - 7 am 37°C.

Chance of precipitation

Highest chance: 6 am - 7 am 5%.

Hourly weather forecast

  • 11 pm
  • 43°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 173°
  • Humidity: 69%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 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
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 178°
  • Humidity: 76%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 83%
  • 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: 5%
  • 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
  • ▼
  • 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
  • ▼
Updated: Oct 18, 2026 @ 03:32:34 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 10:32 pm CDT, the temperature in Marietta is 44.6°F.

On Saturday, the sky will remain completely 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.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Marietta, Illinois, USA

  • en: Marietta, Illinois, USA
  • es: Marietta, Illinois, EE.UU.
  • hr: Marijeta, Ilinois, SAD
  • mk: Marijeta, Ilinois, SAD
  • sr: Marijeta, Ilinois, SAD
  • zh: 玛丽埃塔, 伊利诺伊, 美国
  • Latitude: 40.501152°
  • Longitude: -90.392626°
  • Elevation: 650 ft
  • Current time: 11:11pm CDT
  • Sunrise: 7:14 am CDT
  • Sunset: 6:18 pm CDT
  • Timezone: America/Chicago

Nearby Marietta, Illinois, USA

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