Weather forecast for todayRound Lake, IL

Weather forecast for today

Current condition 7:42 am CDT

  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphSW 220°
  • Humidity: 80%
  • Dewpoint: 37°F
  • Pressure: 30.4"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Round Lake, currently, the sun is casting warm light across the landscape.
The temperature is a frosty 42.8°F. The current temperature is almost at the minimum-expected 41°F for today.

Monday Oct 19, 2026

  • 68°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
Today, in Round Lake, blue skies and warm sunshine will define the conditions.
Significant variations in temperature are anticipated, peaking at an agreeable 68°F and dropping to a low of an icy 41°F.
Expect temperatures to match September's average maximum of 72.3°F rather than October's 59°F.
Sunrise was at 7:10 am and sunset will be at 6:04 pm; the daylight will last for 10h and 54min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 66°C.
Coldest hour: 8 am 45°C.

Chance of precipitation

Highest chance: 12 am 6%.

Hourly weather forecast

  • 8 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSW 214°
  • Humidity: 80%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 am
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 218°
  • Humidity: 69%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 223°
  • Humidity: 57%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 225°
  • Humidity: 52%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 219°
  • Humidity: 46%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 207°
  • Humidity: 43%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 200°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 196°
  • Humidity: 40%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 182°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 167°
  • Humidity: 48%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 132°
  • Humidity: 59%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:04 pm
  • 7 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphESE 123°
  • Humidity: 68%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphESE 119°
  • Humidity: 76%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 50°F
  • Feels like:
    50°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 0mphESE 121°
  • Humidity: 82%
  • Pressure: 30.36"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphSE 126°
  • Humidity: 87%
  • Pressure: 30.36"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphSE 132°
  • Humidity: 90%
  • Pressure: 30.36"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, primarily sun-filled and occasionally gloomy weather is forecasted.
The temperature will vary between the highest temperature of 66.2°F and the lowest temperature of 44.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. The lowest temperature is expected to be moderately lower than the average minimum in October, typically 45.1°F.
Updated: Oct 19, 2026 @ 12:42:05 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 7:42 am CDT is 42.8°F.

Today, in Round Lake, a pleasant, mostly sunny outlook is in place.

Today, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 59°F in October. The lowest temperature will be also moderately lower than the average low of 45.1°F.

On Monday, in Round Lake, sunrise was at 7:10 am and sunset will be at 6:04 pm (CDT).

Today, the daylight will last for 10h and 54min.