Support Time.now: Join our Premium Plan for an ad-free experience! Support Us: Go Premium Ad-Free!

Weather in Round Lake Beach, United States 🇺🇸

Weather Forecast in Round Lake Beach

Current Weather in Round Lake Beach

Air Quality Alert issued July 17 at 2:22PM CDT by NWS Chicago IL
Sunny
33°C
Feels like 35°C. Sunny.
🌬️ 16 km/h W
💧 47% Humidity
🧭 1015 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 2.7
🌡️ Dew Point: 20°C
🌅 Sunrise: 05:30 AM
🌇 Sunset: 08:26 PM
Map Overlays:

In Round Lake Beach right now it is 33°C and sunny, feeling like 35°C. Humidity is 47% with winds around 16 km/h, and the UV index is 3 (moderate). Over the next few days, temperatures in Round Lake Beach range from about 18°C to 37°C. ⚠️ Air Quality Alert issued July 17 at 2:22PM CDT by NWS Chicago IL

Hourly Forecast for Round Lake Beach

18:00
Sunny
35°
1%
19:00
Sunny
33°
1%
20:00
Sunny
30°
2%
21:00
Clear
28°
3%
22:00
Clear
28°
4%
23:00
Clear
28°
5%
00:00
Clear
27°
6%
01:00
Clear
26°
7%
02:00
Clear
26°
7%
03:00
Clear
25°
8%
04:00
Clear
25°
8%
05:00
Clear
25°
8%
06:00
Sunny
25°
8%
07:00
Sunny
24°
12%
08:00
Sunny
25°
9%
09:00
Sunny
27°
7%
10:00
Sunny
28°
5%
11:00
Sunny
30°
4%
12:00
Sunny
30°
4%
13:00
Thundery outbreaks in nearby
31°
7%
14:00
Thundery outbreaks in nearby
32°
11%
15:00
Light rain shower
30°
49%
16:00
Light rain shower
25°
37%
17:00
Patchy rain nearby
24°
29%

14-Day Forecast for Round Lake Beach

Fri, Jul 17
Sunny Sunny
37° / 22°
Sat, Jul 18
Sunny Sunny
32° / 20°
Sun, Jul 19
Sunny Sunny
27° / 18°
Mon, Jul 20
Sunny Sunny
28° / 17°
Tue, Jul 21
Sunny Sunny
26° / 17°
Wed, Jul 22
Sunny Sunny
21° / 12°
Thu, Jul 23
Sunny Sunny
25° / 13°
Fri, Jul 24
Partly Cloudy Partly Cloudy
26° / 16°
Sat, Jul 25
Partly Cloudy Partly Cloudy
26° / 18°
Sun, Jul 26
Sunny Sunny
28° / 17°
Mon, Jul 27
Sunny Sunny
29° / 20°
Tue, Jul 28
Partly Cloudy Partly Cloudy
28° / 22°
Wed, Jul 29
Sunny Sunny
26° / 17°
Thu, Jul 30
Sunny Sunny
25° / 18°

Additional Forecasts for Round Lake Beach

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 157.0 μg/m³
O₃ (Ozone) 165.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.4 μg/m³
SO₂ (Sulphur Dioxide) 1.9 μg/m³
PM2.5 (Fine particles) 20.3 μg/m³
PM10 (Coarse particles) 21.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

Browse Weather in United States by cities in alphabetical order:

A B C D E F G H I J K L M N O P Q R S T V W

Weather in United States ›

Best Time to Be Outside in Round Lake Beach Tomorrow

There is no good daylight window left in Round Lake Beach today. Tomorrow, the most comfortable window looks like 06:00 to 08:00, when it is around 25°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Round Lake Beach

What is the temperature in Round Lake Beach right now?

The current temperature in Round Lake Beach is 33°C (92°F), sunny (feels like 35°C).

What's the weather like in Round Lake Beach right now?

Conditions in Round Lake Beach right now: Sunny, humidity 47%, wind 16 km/h W.

What is today's forecast for Round Lake Beach?

Today in Round Lake Beach: high 37°C, low 22°C, sunny. Chance of rain: 4%.

What is the 7-day weather forecast for Round Lake Beach?

Daily highs and lows for Round Lake Beach:

  • 2026-07-17: 37°C / 22°C
  • 2026-07-18: 32°C / 20°C
  • 2026-07-19: 27°C / 18°C
  • 2026-07-20: 28°C / 17°C
  • 2026-07-21: 26°C / 17°C
  • 2026-07-22: 21°C / 12°C
  • 2026-07-23: 25°C / 13°C
Is it going to rain in Round Lake Beach today?

There is a 4% chance of rain in Round Lake Beach today.

What is the wind speed in Round Lake Beach right now?

Wind in Round Lake Beach is currently 16 km/h (10 mph) from the W.

What is the UV index in Round Lake Beach right now?

The UV index in Round Lake Beach is currently 2.7 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇺🇸 United States: New York City · Los Angeles · Brooklyn · Chicago · Houston · Queens · Phoenix · Philadelphia · Manhattan · San Antonio · San Diego · The Bronx · Dallas · Jacksonville · Austin · Fort Worth · Columbus · Indianapolis · Charlotte · San Francisco · Seattle · Denver · Washington, D.C. · Washington · Nashville · El Paso · Oklahoma City · Detroit · Boston · Portland · New South Memphis · Memphis · Las Vegas · Milwaukee · Baltimore · South Boston · Albuquerque · Tucson · Fresno · Sacramento · Omaha · Kansas City · Long Beach · Mesa · Staten Island · Atlanta · Colorado Springs · Virginia Beach · Raleigh · Miami