Weather forecast for 10 daysRomeoville, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphSSW 200°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
On Sunday, in Romeoville, sunny conditions are also expected to continue.
The temperature is anticipated to oscillate between a maximum of a breezy 64.4°F and a minimum of an icy 39.2°F.
Tomorrow's temperature peak is set to be a few degrees higher than the typical October high of 60.6°F.
Sunrise will be at 7:08 am and sunset at 6:06 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest period: Thursday - Friday 73°C.
Coldest day: tomorrow 64°C.

Chance of precipitation

Highest chance: Monday 26.10. 8%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 194°
  • Humidity: 83%
  • UV index: 0
  • Sunrise: 7:07 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphSSW 200°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 183°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphE 94°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphE 85°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 122°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphSSE 148°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphS 189°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNE 51°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
For the next ten days, a combination of sunny and cloud-filled weather is expected.
Rainfall is not predicted in Romeoville in the upcoming period.
In the upcoming days, the maximum temperature will vary between 64.4°F and 73.4°F, while nighttime temperatures are expected to vary from 39.2°F to 50°F.
Thursday and Friday, with the highest temperature of 73.4°F, will be the warmest days; the lowest daytime temperature of the period will be reached on Sunday, peaking at 64.4°F.
Updated: Oct 18, 2026 @ 02:28:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Romeoville, sunshine and minimal clouds are in the outlook.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
The highest temperature will be a couple of degrees higher than the average maximum of 60.6°F in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.

On Sunday, in Romeoville, sunrise will be at 7:08 am and sunset at 6:06 pm (CDT).

Tomorrow, the daylight will last for 10h and 59min.