Weather forecast for 10 daysArlington, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 222°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
Today, on Saturday, October 17, the forecast calls for abundant sunshine.
The maximum temperature will be a mild 57.2°F, while the minimum temperature will be a wintry 37.4°F.
The maximum temperature for today will be slightly cooler than the regular high of 61.2°F in October.
Sunrise was at 7:11 am and sunset will be at 6:13 pm; the daylight will last for 11h and 2min.

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, sunshine will likely continue with scattered clouds at most.
Day and night temperatures will contrast sharply, from a maximum of a breezy 64.4°F to a minimum of a cold 37.4°F.
The highest temperature tomorrow will align with the usual October peak of 61.2°F.
Sunrise will be at 7:12 am and sunset at 6:11 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest period: Thursday - Friday 75°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 10%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 222°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 173°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSE 125°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 178°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphSE 125°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphESE 120°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphSE 140°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSW 203°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:20 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 6mphNE 54°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
Over the next ten days, a combination of bright and dull weather is forecasted.
Rain is not expected in Arlington in the upcoming days.
There will be a considerable variation in temperature over the next several days. Forecast highs will fluctuate between 57.2°F and 75.2°F, while the minimum temperature is forecast to range between 37.4°F and 48.2°F.
The warmest days in Arlington will be Thursday and Friday, with a maximum of 75.2°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 18:03:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, expect consistent sunshine and open skies.

Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be moderately lower than the average highest temperature in October. The lowest temperature today will be also slightly cooler than the average low temperature.

On Saturday, in Arlington, sunrise was at 7:11 am and sunset will be at 6:13 pm (CDT).

Today in Arlington, Illinois, the daylight will last for 11h and 2min.

On Sunday, in Arlington, clear and sunny conditions are expected.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be relatively lower than the average low temperature.

On Sunday, in Arlington, sunrise will be at 7:12 am and sunset at 6:11 pm (CDT).

In Arlington, tomorrow, there will be 10h and 59min of daylight.