Weather forecast for 10 daysOak Brook, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 209°
  • Humidity: 63%
  • UV index: 0
  • Sunrise: 7:06 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
In Oak Brook, during the afternoon and for the rest of the day, a cloudless sky and clear weather are expected.
The lowest temperature will be a wintry 41°F.
Sunrise was at 7:06 am and sunset will be at 6:07 pm; the daylight will last for 11h and 1min.

Sunday Oct 18, 2026

  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 204°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
Tomorrow, skies will stay clear and sunny.
The temperature scale will run from a maximum of a comfortable 64.4°F to a minimum of an icy 41°F.
The day’s highest temperature is forecasted to be relatively higher than the standard October average of 60.6°F.
Sunrise will be at 7:07 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 73°C.
Coldest day: tomorrow 64°C.

Chance of precipitation

Highest chance: Monday 26.10. 17%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 209°
  • Humidity: 63%
  • UV index: 0
  • Sunrise: 7:06 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 204°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSSW 195°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphE 100°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphS 178°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNE 56°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 123°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSE 141°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphS 188°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 7mphNE 45°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
Ten-day trends indicate that a combination of overcast and mostly clear weather is anticipated.
Rain is not forecasted in Oak Brook in the upcoming period.
In the upcoming period, the highest temperature will range between 64.4°F and 73.4°F, while the lowest temperature will be between 41°F and 50°F.
Next Sunday is expected to be the warmest, reaching up to 73.4°F; with the highest temperature of 64.4°F, Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 20:54:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Oak Brook, expect sunny weather with a crisp, clear sky.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
Tomorrow, the highest temperature will be slightly warmer than the average maximum temperature in October. Tomorrow, the lowest temperature will be also relatively lower than the average low temperature.

On Sunday, in Oak Brook, sunrise will be at 7:07 am and sunset at 6:05 pm (CDT).

In Oak Brook, tomorrow, there will be 10h and 58min of daylight.