NWS, American, European side by side around Cos Cob 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
Cos Cob is a small town of about 6,770 people in CT, sitting at 41.0°N in a temperate climate zone. NWS, American, European each forecast Cos Cob with their own physics, so we line all three up and flag where they disagree. Nearby towns include Riverside, Greenwich, Old Greenwich.
Common questions
What's the weather in Cos Cob today?
On this page we show what NWS, American, European each forecast for Cos Cob 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 Cos Cob today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Cos Cob 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 Cos Cob?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Cos Cob 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.