Weather forecast for 10 daysIllinois City, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphS 190°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:18 pm CDT
- details ▼
Today, on Sunday, October 18, clear skies and sunshine are anticipated.
Temperature changes will be considerable, from a high of an enjoyable 66.2°F to a low of an icy 39.2°F.
Today, the expected high temperature will be slightly warmer than the average October peak of 61.5°F.
Sunrise will be at 7:19 am and sunset at 6:18 pm; the daylight will last for 10h and 59min.
Temperature changes will be considerable, from a high of an enjoyable 66.2°F to a low of an icy 39.2°F.
Today, the expected high temperature will be slightly warmer than the average October peak of 61.5°F.
Sunrise will be at 7:19 am and sunset at 6:18 pm; the daylight will last for 10h and 59min.
10-day overview
Daily temperatures
Warmest period: Thursday - Sunday 75°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 18%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphS 190°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSE 168°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 132°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 174°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSE 141°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphSE 142°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 54°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphSSE 159°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:26 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphSSW 194°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphESE 119°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:28 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 70°F
- 52°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 8mphSE 129°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:29 am CDT
- Sunset: 6:05 pm CDT
- details ▼
During the upcoming ten-day period, a combination of overcast and dry and sunny weather is expected.
Rainfall is not forecasted in Illinois City in the upcoming days.
In the upcoming days, the highest temperature will range between 66.2°F and 75.2°F, while the fluctuation in night temperatures will be significant, as the lowest temperatures will be recorded between 39.2°F and 53.6°F.
Thursday through next Sunday, with the highest temperature of 75.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not forecasted in Illinois City in the upcoming days.
In the upcoming days, the highest temperature will range between 66.2°F and 75.2°F, while the fluctuation in night temperatures will be significant, as the lowest temperatures will be recorded between 39.2°F and 53.6°F.
Thursday through next Sunday, with the highest temperature of 75.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 08:36:09 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, skies will stay clear and sunny.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature today will be relatively higher than the average highest temperature in October. Today, the lowest temperature will be also slightly cooler than the average low temperature.
The maximum temperature today will be relatively higher than the average highest temperature in October. Today, the lowest temperature will be also slightly cooler than the average low temperature.
On Sunday, in Illinois City, sunrise will be at 7:19 am and sunset at 6:18 pm (CDT).
In Illinois City, today, there will be 10h and 59min of daylight.
