Round Lake Beach weather
Loading live data…Latest for Round Lake Beach: NWS (National Blend (NBM)): 75° Mainly clear · American (NOAA GFS): 76° Clear · European (ECMWF): 75° Partly cloudy.
The weather map: all three models at once
NWS, American, European side by side around Round Lake Beach and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitRound Lake Beach is a small town of about 28,000 people in IL, sitting at 42.4°N in a temperate climate zone. NWS, American, European each forecast Round Lake Beach with their own physics, so we line all three up and flag where they disagree. Nearby towns include Round Lake Park, Round Lake, Grayslake.
Which forecast is most accurate in the US?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.
Common questions
What's the weather in Round Lake Beach today?
Will it rain in Round Lake Beach today or tomorrow?
Which forecast is most accurate for Round Lake Beach?
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.