Winthrop weather
Loading live data…Latest for Winthrop: NWS (National Blend (NBM)): 69° Clear · American (NOAA GFS): 63° Clear · European (ECMWF): 66° Clear.
The weather map: all three models at once
NWS, American, European side by side around Winthrop and nearby towns.Live rain radar →Next 14 hours
consensus of the three models7-day forecast
where the models agree, and where they splitWinthrop is a small town of about 18,000 people in MA, sitting at 42.4°N in a temperate climate zone. NWS, American, European each forecast Winthrop with their own physics, so we line all three up and flag where they disagree. Nearby towns include Suffolk Downs Station, Orient Heights, Jeffries Point.
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 Winthrop today?
Will it rain in Winthrop today or tomorrow?
Which forecast is most accurate for Winthrop?
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.