Weather in Round Lake Beach, Illinois
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 07:59 PM ET · Refreshes every hour
69°F
Clear sky
Feels like 69°F
73%
Humidity
7 mph
Wind Speed
About Weather in Round Lake Beach
Round Lake Beach is located in Illinois (coordinates: 42.382409°N, 88.080689°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.