Weather forecast for tomorrowSouth Chicago Heights, IL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 187°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:03 pm CDT
- details ▼
Tomorrow, on Monday, blue skies and warm sunshine will define the conditions.
Temperature measurements will peak at a pleasant 68°F, with a considerable drop to a low of a wintry 39.2°F.
The day's peak of 68°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:07 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 56min.
Temperature measurements will peak at a pleasant 68°F, with a considerable drop to a low of a wintry 39.2°F.
The day's peak of 68°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:07 am and sunset at 6:03 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.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 201°
- Humidity: 68%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSW 200°
- Humidity: 74%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphSSW 204°
- Humidity: 81%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSW 195°
- Humidity: 86%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:07 am
- 8 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphS 187°
- Humidity: 83%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSW 197°
- Humidity: 55%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 202°
- Humidity: 41%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSW 196°
- Humidity: 36%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 179°
- Humidity: 35%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 91°
- Humidity: 48%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:03 pm
- 8 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphE 90°
- Humidity: 65%
- Pressure: 30.33"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 102°
- Humidity: 77%
- Pressure: 30.36"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily sunny and occasionally overcast weather is expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature will align more closely with September's average high of 74.5°F than with October's 61.3°F. The minimum temperature will be more close to November's average low of 34.7°F than October's typical 46.6°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 3 pm.
The maximum temperature will align more closely with September's average high of 74.5°F than with October's 61.3°F. The minimum temperature will be more close to November's average low of 34.7°F than October's typical 46.6°F.
Updated: Oct 18, 2026 @ 14:41:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in South Chicago Heights, blue skies and warm sunshine will define the conditions.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 61.3°F in October. The lowest temperature will be also a few degrees lower than the average low of 46.6°F.
The maximum temperature will be moderately higher than the average highest temperature of 61.3°F in October. The lowest temperature will be also a few degrees lower than the average low of 46.6°F.
On Monday, in South Chicago Heights, sunrise will be at 7:07 am and sunset at 6:03 pm (CDT).
In South Chicago Heights, Illinois, the length of the day tomorrow will be 10h and 56min.
