Groton, CT Weather Forecast
Southeastern Connecticut Planning Region, Connecticut
Live radar, warnings and storm tracking for Groton, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Groton
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Groton, CT at a glance
Groton is home to about 9,302 people in Southeastern Connecticut Planning Region, across 3.1 square miles. It ranks 101st by population of 151 places in Connecticut with a forecast here. The nearest neighbour with its own forecast is New London, 2 miles away.
- County
- Southeastern Connecticut Planning Region
- Population
- 9,302 2023 est.
- Land area
- 3.1 sq mi
- People per sq mi
- 3,017
- Forecast point
- 41.3251°N, 72.0669°W
How well can the network see Groton?
The nearest Doppler radar is KOKX (New York City, NY), to the SW. Its lowest scan passes about 3,800 ft above Groton. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KGON (Groton-New London Arpt). Close enough that its readings are the conditions in town.
Forecasts near Groton
- New London, CT2 mi
- Waterford, CT5 mi
- Ledyard, CT8 mi
- East Lyme, CT9 mi
- Montville, CT11 mi
- Old Lyme, CT12 mi
- Westerly, RI14 mi
- Preston, CT14 mi
Elsewhere in Connecticut
BridgeportStamfordNew HavenHartfordWaterburyNorwalkAll Connecticut forecasts →