Weather forecast for todayRound Lake Beach, IL

Weather forecast for today

Current condition 3:56 am CDT

  • 43°F
  • Feels like:
    43°F
Fog
Fog
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 88%
  • Dewpoint: 39°F
  • Pressure: 30.29"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Currently, in Round Lake Beach, misty conditions are dominating, with patches of dense fog forming.
The temperature is a frosty 42.8°F. The current temperature is near the lowest predicted 44.6°F for today.

Wednesday Oct 21, 2026

  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphSW 214°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
On Wednesday, in Round Lake Beach, a partly cloudy outlook will keep the sky interesting throughout the day.
Significant temperature fluctuations from a high of a pleasant 71.6°F to a low of a frosty 44.6°F are forecasted.
A high of 71.6°F is expected, which resembles September's climate average of 72.3°F more than October's 59°F.
Sunrise will be at 7:12 am and sunset at 6:01 pm; the daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 70°C.
Coldest period: 4 am - 6 am 43°C.

Chance of precipitation

Highest chance: 4 am - 6 am 15%.

Hourly weather forecast

  • 4 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 0mphS 180°
  • Humidity: 89%
  • Pressure: 30.27"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 0mphSSW 198°
  • Humidity: 90%
  • Pressure: 30.27"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSSW 209°
  • Humidity: 90%
  • Pressure: 30.3"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSW 216°
  • Humidity: 66%
  • Pressure: 30.27"Hg
  • Visibility: 7mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 221°
  • Humidity: 46%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSW 227°
  • Humidity: 40%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 232°
  • Humidity: 41%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSW 207°
  • Humidity: 57%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:01 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSW 216°
  • Humidity: 73%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphWSW 246°
  • Humidity: 82%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, in Round Lake Beach, primarily clear and occasionally overcast weather is forecasted.
The temperature will vary between a minimum of 41°F and a maximum of 71.6°F. The warmest part of the day is anticipated around 3 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The lowest temperature is consistent with October's typical minimum of 45.1°F.
Updated: Oct 21, 2026 @ 08:56:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 3:56 am CDT, the temperature is 42.8°F.

Today, clouds and sunshine will alternate throughout the day.

Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 44.6°F.
The maximum temperature will be notably higher than the average highest temperature of 59°F in October. The lowest temperature will be in line with the average low of 45.1°F.

On Wednesday, in Round Lake Beach, sunrise will be at 7:12 am and sunset at 6:01 pm (CDT).

Today, the daylight will last for 10h and 49min.