Connecticut weather today

We follow 111 towns and cities in Connecticut, each with NWS, American, European side by side and the days they disagree flagged. Today the three models put highs between 67°F in Bristol and 70°F in Bridgeport, and no model gives a 50% or higher chance of rain in any of the 24 places we hold today's forecast for.

Numbers from the forecast run of Saturday, October 3. Open any town for the live, hour-by-hour comparison.

Which forecast is most accurate in Connecticut?

Over the last 30 days we graded the models in 43 Connecticut cities against the recorded weather. The European model was most accurate in 42, the American in 1 of them. No model wins everywhere, which is why each city page names its own winner.

How we grade: the US accuracy scoreboard and our method.

Connecticut climate, city by city

Across the 71 Connecticut places we hold long-run averages for, typical July highs run from 80°F in Groton to 85°F in Old Greenwich, and January highs from 37°F in Winchester Center to 43°F in Old Greenwich. Waterbury is the wettest at about 59 in of precipitation a year, Rockville the driest at about 49 in.

Averages from ERA5 reanalysis, the same source as the climate tables on each city page.