Weather forecast for tomorrowThornton, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 201°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
On Sunday, in Thornton, the weather remains calm, bright, and sunny.
Substantial temperature variations are anticipated, soaring to a maximum of a comfortable 64.4°F and descending to a minimum of a cold 37.4°F.
The maximum temperature tomorrow is anticipated to reflect October's average high of 61.2°F.
Sunrise will be at 7:06 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 12 am - 6 am 3%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 204°
  • Humidity: 75%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 194°
  • Humidity: 77%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 76%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 198°
  • Humidity: 75%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:06 am
  • 8 am
  • 41°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 198°
  • Humidity: 72%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 203°
  • Humidity: 50%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 207°
  • Humidity: 38%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 205°
  • Humidity: 33%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 201°
  • Humidity: 32%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 185°
  • Humidity: 41%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:04 pm
  • 8 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 51%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 60%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day is anticipated around 3 pm.
Tomorrow, the maximum will be similar to October's typical high. The minimum temperature tomorrow will be more close to November's average low of 34.9°F than October's average of 46.9°F.
Updated: Oct 17, 2026 @ 15:50:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

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

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 37.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 46.9°F.

On Sunday, in Thornton, sunrise will be at 7:06 am and sunset at 6:04 pm (CDT).

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