Weather forecast for 10 daysMarietta, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 182°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:17 pm CDT
- details ▼
Today, in Marietta, uninterrupted sunshine is anticipated.
Temperature readings will span from a daytime high of a breezy 66.2°F to a night low of an icy 37.4°F.
The expected high temperature will align with October's average of 63°F.
Sunrise was at 7:16 am and sunset will be at 6:17 pm; the daylight will last for 11h and 1min.
Temperature readings will span from a daytime high of a breezy 66.2°F to a night low of an icy 37.4°F.
The expected high temperature will align with October's average of 63°F.
Sunrise was at 7:16 am and sunset will be at 6:17 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest period: Saturday - Sunday 77°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 14%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 182°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSSE 161°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 121°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 45°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSE 167°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphESE 117°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 134°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphSSE 159°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:22 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 52°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 5mphSSW 209°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphESE 110°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 6mphSE 132°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:26 am CDT
- Sunset: 6:04 pm CDT
- details ▼
Conditions over the next ten days suggest that a combination of sunny and cloud-filled weather is forecasted.
Rain is not anticipated in Marietta in the upcoming period.
In the coming days, the maximum temperature will range between 66.2°F and 77°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 37.4°F to 51.8°F.
With a maximum temperature of 77°F, Saturday and next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Rain is not anticipated in Marietta in the upcoming period.
In the coming days, the maximum temperature will range between 66.2°F and 77°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 37.4°F to 51.8°F.
With a maximum temperature of 77°F, Saturday and next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 17:42:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Marietta, skies will stay clear and sunny.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 46.6°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 46.6°F.
On Sunday, in Marietta, sunrise was at 7:16 am and sunset will be at 6:17 pm (CDT).
Today in Marietta, the daylight will last for 11h and 1min.
