Weather forecast for tomorrowCrystal Lawns, IL

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 70°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphS 169°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
On Monday, October 19, sunshine will prevail for most of the day.
Temperature readings will span from a daytime high of a pleasant 69.8°F to a night low of a wintry 41°F.
The expected high of 69.8°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:09 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 6%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 185°
  • Humidity: 76%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSSW 195°
  • Humidity: 81%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphS 191°
  • Humidity: 88%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphS 183°
  • Humidity: 95%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:09 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSSE 167°
  • Humidity: 90%
  • Pressure: 30.42"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSW 194°
  • Humidity: 61%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 191°
  • Humidity: 45%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 180°
  • Humidity: 40%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 167°
  • Humidity: 38%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 93°
  • Humidity: 52%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphE 80°
  • Humidity: 68%
  • Pressure: 30.33"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphE 90°
  • Humidity: 79%
  • Pressure: 30.36"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, primarily mostly clear and occasionally gloomy weather is expected.
The temperature will vary between a minimum of 39.2°F and a maximum of 68°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more in line with September's average maximum of 74.7°F than October's usual of 61.3°F. Forecasts indicate a night temperature relatively lower than the usual October minimum of 45.5°F.
Updated: Oct 18, 2026 @ 06:01:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, open skies and radiant sunshine are expected.

Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 41°F.
The highest temperature will be relatively higher than the average maximum of 61.3°F in October. The lowest temperature will be also relatively lower than the average low of 45.5°F.

On Monday, in Crystal Lawns, sunrise will be at 7:09 am and sunset at 6:05 pm (CDT).

In Crystal Lawns, Illinois, tomorrow, there will be 10h and 56min of daylight.