Weather forecast for 10 daysRound Lake Heights, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSSW 209°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:05 pm CDT
- details ▼
On Sunday, in Round Lake Heights, the outlook remains bright and sunny.
The highest temperature will be a comfortable 62.6°F, while the lowest anticipated temperature is a wintry 39.2°F.
The forecasted peak temperature will reflect the average October high of 59°F.
Sunrise will be at 7:09 am and sunset at 6:05 pm; the daylight will last for 10h and 57min.
The highest temperature will be a comfortable 62.6°F, while the lowest anticipated temperature is a wintry 39.2°F.
The forecasted peak temperature will reflect the average October high of 59°F.
Sunrise will be at 7:09 am and sunset at 6:05 pm; the daylight will last for 10h and 57min.
10-day overview
Daily temperatures
Maximum temperature: 72°C.
Coldest day: today 63°C.
Coldest day: today 63°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 20%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSSW 209°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSW 202°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphE 91°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSSW 205°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 45°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphENE 57°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:13 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSE 132°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:15 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 50°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 159°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 5:56 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 207°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:17 am CDT
- Sunset: 5:55 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphNE 52°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:18 am CDT
- Sunset: 5:54 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 50°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphE 94°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:19 am CDT
- Sunset: 5:52 pm CDT
- details ▼
It is expected that a combination of dull and clear weather is forecasted.
Rainfall is not predicted in Round Lake Heights in the upcoming period.
In the upcoming period, the maximum temperature will range between 62.6°F and 71.6°F, while the minimum temperature is forecast to range between 39.2°F and 50°F.
The warmest days will be Thursday and next Sunday, with a maximum of 71.6°F; today is the coldest day, with a maximum temperature of 62.6°F.
Rainfall is not predicted in Round Lake Heights in the upcoming period.
In the upcoming period, the maximum temperature will range between 62.6°F and 71.6°F, while the minimum temperature is forecast to range between 39.2°F and 50°F.
The warmest days will be Thursday and next Sunday, with a maximum of 71.6°F; today is the coldest day, with a maximum temperature of 62.6°F.
Updated: Oct 18, 2026 @ 10:30:09 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, sunshine will likely continue with scattered clouds at most.
Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 59°F in October. Today, the lowest temperature will be a few degrees lower than the average low temperature.
The highest temperature will be in line with the average maximum of 59°F in October. Today, the lowest temperature will be a few degrees lower than the average low temperature.
On Sunday, in Round Lake Heights, sunrise will be at 7:09 am and sunset at 6:05 pm (CDT).
Today, the daylight will last for 10h and 57min.
