Weather forecast for tomorrowRound Lake, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 208°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Tomorrow, in Round Lake, the weather remains calm, bright, and sunny.
The temperature will fluctuate from a high of a breezy 62.6°F to a low of a wintry 39.2°F.
Tomorrow, the expected temperature will match October's typical high of 59°F.
Sunrise will be at 7:09 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 57min.
The temperature will fluctuate from a high of a breezy 62.6°F to a low of a wintry 39.2°F.
Tomorrow, the expected temperature will match October's typical high of 59°F.
Sunrise will be at 7:09 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 57min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 41°C.
Coldest period: 3 am - 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSW 210°
- Humidity: 72%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSW 209°
- Humidity: 74%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 208°
- Humidity: 78%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 207°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:09 am
- 8 am
- 43°F
- Feels like:37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 206°
- Humidity: 75%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSSW 211°
- Humidity: 57%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 57°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 212°
- Humidity: 46%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSSW 211°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 206°
- Humidity: 40%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:54°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 198°
- Humidity: 49%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSW 196°
- Humidity: 59%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 204°
- Humidity: 65%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the temperature is forecasted to be alike with the usual maximum for October. The minimum temperature will be also a couple of degrees lower than October's average low of 45.1°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the temperature is forecasted to be alike with the usual maximum for October. The minimum temperature will be also a couple of degrees lower than October's average low of 45.1°F.
Updated: Oct 18, 2026 @ 01:06:19 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 Sunday, in Round Lake, sun-filled conditions are expected to persist.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be a couple of degrees lower than the average low of 45.1°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be a couple of degrees lower than the average low of 45.1°F.
On Sunday, in Round Lake, sunrise will be at 7:09 am and sunset at 6:05 pm (CDT).
Tomorrow, the daylight will last for 10h and 57min.





