NWS, American, European side by side around Charlestown and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Charlestown is a small town of about 20,000 people in MA, sitting at 42.4°N in a temperate climate zone. NWS, American, European each forecast Charlestown with their own physics, so we line all three up and flag where they disagree. Nearby towns include VA Boston Healthcare System, Brockton Campus, North End, East Boston.
Common questions
What's the weather in Charlestown today?
On this page we show what NWS, American, European each forecast for Charlestown today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Charlestown today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Charlestown and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Charlestown?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Charlestown forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
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.