Weather forecast for tomorrowRound Lake Beach, IL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSW 202°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:04 pm CDT
- details ▼
Tomorrow, mostly sunny weather is also likely, with high visibility.
Temperature values will vary noticeably, extending from a pleasant 68°F to a wintry 41°F.
The temperature of 68°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:10 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 54min.
Temperature values will vary noticeably, extending from a pleasant 68°F to a wintry 41°F.
The temperature of 68°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:10 am and sunset at 6:04 pm; tomorrow's daylight will last for 10h and 54min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°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 208°
- Humidity: 68%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSW 215°
- Humidity: 74%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSW 217°
- Humidity: 83%
- 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: 3mphSSW 208°
- Humidity: 86%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:10 am
- 8 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSW 209°
- Humidity: 85%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSW 215°
- Humidity: 60%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 215°
- Humidity: 46%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 204°
- Humidity: 42%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 191°
- Humidity: 44%
- 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: 2mphSSE 150°
- Humidity: 59%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 54°F
- Feels like:54°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSE 125°
- Humidity: 76%
- Pressure: 30.33"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSE 138°
- Humidity: 85%
- Pressure: 30.36"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of dry and sunny and overcast weather is predicted.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more similar to September's typical high of 72.3°F than the average for October. The nighttime low will be slightly cooler than the typical October minimum temperature of 45.1°F.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more similar to September's typical high of 72.3°F than the average for October. The nighttime low will be slightly cooler than the typical October minimum temperature of 45.1°F.
Updated: Oct 18, 2026 @ 07:57:37 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
On Monday, a crisp, sunny atmosphere is likely.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
The highest temperature will be a couple of degrees higher than the average maximum of 59°F in October. The lowest temperature will be also a few degrees lower than the average low of 45.1°F.
The highest temperature will be a couple of degrees higher than the average maximum of 59°F in October. The lowest temperature will be also a few degrees lower than the average low of 45.1°F.
On Monday, in Round Lake Beach, sunrise will be at 7:10 am and sunset at 6:04 pm (CDT).
In Round Lake Beach, the length of the day tomorrow will be 10h and 54min.
