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Every US forecast, compared
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CheckWeather USChelsea

Chelsea weather

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The weather map: all three models at once

NWS, American, European side by side around Chelsea and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Chelsea is a small town of about 39,000 people in MA, sitting at 42.4°N in a temperate climate zone. NWS, American, European each forecast Chelsea with their own physics, so we line all three up and flag where they disagree. Nearby towns include East Boston, Orient Heights, Revere.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Which forecast is most accurate in Chelsea?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
80
/100rank #1
88±1.2°F97±1.0 mph5877% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
70
/100rank #2
85±1.5°F93±2.1 mph3665% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in Chelsea today?
On this page we show what NWS, American, European each forecast for Chelsea 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 Chelsea today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Chelsea 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 Chelsea?
Over the last 30 days, the European model has been the most accurate for Chelsea (CheckWeather Score 80/100), ahead of the American at 70. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.

Nearby

More US weather