Groton, Connecticut Weather
Groton, Connecticut — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Groton, Southeastern Connecticut County.
Tides, marine forecast and fishing conditions near Groton. Tide source:
Flight conditions near Groton. Data source: locating…
Soil conditions, frost risk and crop weather for Groton.
About Groton, Connecticut
Groton lies where the Thames River, a sliver of saltwater mirroring the sky, meets the broader expanse of Long Island Sound. It lies 1.2 miles east-south-east of New London, CT (from New London, CT: bearing 109°T), and is situated 2.5 miles south-south-west of Conning Towers Nautilus Park. The land here is a quiet blend of rolling hills, softened by the persistent moisture of the coast, their slopes often cloaked in dense stands of oak and pine. Along the shoreline, salt marshes exhale a briny, damp scent that mingles with the cleaner, sharper tang of the open sea, and the air, especially in the late afternoon, carries a certain weight, a humid stillness that can feel both languid and expectant. The houses, many of them weathered clapboard and shingle, seem to absorb this coastal atmosphere, their paint faded by sun and sea spray, their gardens often wilder than manicured, embracing the encroaching greenery. This is a place etched by the sea and the deep currents of American history, a legacy most prominently held within the imposing structures of the Naval Submarine Base New London, a constant, humming presence that shapes the very rhythm of Groton. The economy, once heavily reliant on shipbuilding and fishing, now finds its anchor in this vital military installation, though the echoes of industry still resonate in the older brick buildings and the weathered piers that dot the waterfront. Beyond the military, the focus shifts to the natural beauty, with parks like Bluff Point State Park offering rugged coastal trails and secluded beaches where the relentless work of the waves has smoothed stones into a pleasing, tactile uniformity. The spirit of innovation, however, remains, a quiet undercurrent that has seen Groton evolve, always tethered to the water that defines its character.
Live animated radar for Groton and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Groton, Southeastern Connecticut County, Connecticut |
| Coordinates | 41.350098°N, 72.078409°W |
| Timezone | Eastern Time |
| Area Code | 203, 475, 860, 959 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Groton, Connecticut Weather Page
This page provides live weather conditions and forecasts for Groton, Connecticut, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Groton includes coordinates 41.350098°N, 72.078409°W, situated in Southeastern Connecticut County. Telephone area code: 203, 475, 860, 959. Timezone: Eastern Time.
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
