St. Charles weather
Loading live data…The weather map: all three models at once
NWS, American, European side by side around St. Charles and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitSt. Charles is a small town of about 33,000 people in MD, sitting at 38.6°N in a temperate climate zone. NWS, American, European each forecast St. Charles with their own physics, so we line all three up and flag where they disagree. Nearby towns include Saint Charles, Waldorf, Bennsville.
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 St. Charles today?
Will it rain in St. Charles today or tomorrow?
Which forecast is most accurate for St. Charles?
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.