5-day weather forecast for East Haddam, Connecticut
Today
67°
80°
Chance Thunderstorms
Thursday
61°
79°
Partly Cloudy
Friday
61°
77°
Mostly sunny
Saturday
64°
79°
Mostly sunny
Sunday
67°
80°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Groton, Connecticut
| National Weather Service | 73.05% |
| The Weather Channel | 72.15% |
| MyForecast | 70.97% |
| NWS Digital Forecast | 70.87% |
| Accuweather | 70.80% |
| Intellicast | 50.38% |
| The Weather Channel | 76.00% |
| Intellicast | 75.49% |
| Accuweather | 73.90% |
| National Weather Service | 73.05% |
| MyForecast | 72.73% |
| NWS Digital Forecast | 70.59% |
ForecastAdvisor Fact
3.0% of National Weather Service's high temperature forecasts for Groton were off by more than 10 degrees last year.