Weather forecast for 10 daysAllerton, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 179°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
Tomorrow, in Allerton, sunny skies are in store, with excellent visibility.
Temperatures will show considerable variation, extending from a high of an enjoyable 64.4°F to a low of a wintry 35.6°F.
The expected high for tomorrow will reflect the normal October maximum of 63.9°F.
Sunrise will be at 7:05 am and sunset at 6:08 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 77°C.
Coldest day: tomorrow 64°C.

Chance of precipitation

Highest chance: 6%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSSE 157°
  • Humidity: 80%
  • UV index: 0
  • Sunrise: 7:04 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 179°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphSSE 152°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 76°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphSSE 147°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 68°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 107°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSE 138°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSW 192°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
Weather models show that a combination of sun-filled and gloomy weather is anticipated.
Rain is not forecasted in Allerton in the upcoming days.
Noticeable swings in temperature are expected in the upcoming days. Maximum temperatures are forecasted between 64.4°F and 77°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 35.6°F up to 48.2°F.
With the highest temperature of 77°F, next Sunday will be the warmest day; with the highest temperature of 64.4°F, Sunday will be the coldest day.
Updated: Oct 18, 2026 @ 02:17:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunny and dry conditions are anticipated.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be noticeably lower than the average low of 48°F.

On Sunday, in Allerton, sunrise will be at 7:05 am and sunset at 6:08 pm (CDT).

In Allerton, the length of the day tomorrow will be 11h and 2min.