Groton Long Point, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Groton Long Point, a borough in New London County, Connecticut.
This Afternoon
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 62 in the afternoon. Southwest wind around 10 mph.
7-day forecast for Groton Long Point
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Sunny | 10 mph SW | 0% |
| Tonight | 59°F | Partly Cloudy | 8 mph SW | 0% |
| Thursday | 68°F | Mostly Cloudy then Chance Rain Showers | 7 to 13 mph S | 30% |
| Thursday Night | 61°F | Showers And Thunderstorms | 7 to 12 mph SW | 78% |
| Friday | 66°F | Showers And Thunderstorms | 8 mph S | 98% |
| Friday Night | 57°F | Showers And Thunderstorms | 6 mph SW | 96% |
| Saturday | 64°F | Chance Rain Showers | 5 to 9 mph NW | 33% |
| Saturday Night | 47°F | Slight Chance Light Rain | 10 mph W | 20% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 13 mph W | 20% |
| Sunday Night | 44°F | Partly Cloudy | 10 mph W | 5% |
| Monday | 57°F | Mostly Sunny then Slight Chance Light Rain | 10 to 16 mph W | 20% |
| Monday Night | 42°F | Slight Chance Light Rain then Mostly Clear | 13 mph W | 20% |
| Tuesday | 58°F | Sunny | 13 to 16 mph W | 7% |
| Tuesday Night | 42°F | Mostly Clear | 13 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Groton Long Point (41.314, -72.010). Updated through the day.
Growing snapshot for Groton Long Point
Last spring frost
Apr 8
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7a
More local growing data for Groton Long Point: nearby ZIP 06340 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Baltic
Colchester
Conning Towers-Nautilus Park
Gales Ferry
Groton
Jewett City
Long Hill
Mashantucket
Mystic
New London
Niantic
Noank
Norwich
Old Mystic
Oxoboxo River
Pawcatuck
Poquonock Bridge
Stonington
Waterford
Climate data from the nearest NOAA station, Groton, Ct (0.3 mi from Groton Long Point). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.