5-day weather forecast for Groton, Connecticut
Today
53°
66°
Slight Chance Rain Showers
Thursday
55°
69°
Chance Rain
Showers
Showers
Friday
52°
71°
Slight Chance Rain Showers
Saturday
52°
66°
Slight Chance Rain Showers
Sunday
53°
67°
Slight Chance Rain Showers
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Groton, Connecticut
| The Weather Channel | 80.67% |
| Intellicast | 80.52% |
| MyForecast | 80.46% |
| Accuweather | 78.90% |
| NWS Digital Forecast | 75.55% |
| National Weather Service | 75.28% |
| 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
It rained 41% of the time in Groton last year when National Weather Service's icon forecasts called for precipitation, and 4% of the time when they did not.