Long Hill, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Hill, a community in New London County, Connecticut.
This Afternoon
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 78 in the afternoon. West wind around 8 mph.
7-day forecast for Long Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 8 mph W | 0% |
| Tonight | 53°F | Partly Cloudy | 5 to 12 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 12 mph E | 0% |
| Saturday Night | 53°F | Mostly Cloudy | 5 to 9 mph E | 0% |
| Sunday | 68°F | Showers And Thunderstorms | 7 to 12 mph SE | 80% |
| Sunday Night | 56°F | Showers And Thunderstorms | 3 to 10 mph SE | 90% |
| Monday | 67°F | Rain Showers Likely | 9 to 13 mph NE | 60% |
| Monday Night | 51°F | Slight Chance Rain Showers | 7 to 13 mph NE | 23% |
| Tuesday | 63°F | Slight Chance Rain Showers | 13 to 16 mph NE | 20% |
| Tuesday Night | 50°F | Mostly Cloudy | 12 to 15 mph NE | 10% |
| Wednesday | 64°F | Partly Sunny then Slight Chance Rain Showers | 15 to 20 mph NE | 15% |
| Wednesday Night | 50°F | Chance Rain Showers | 13 to 16 mph NE | 25% |
| Thursday | 63°F | Chance Rain Showers | 16 to 20 mph NE | 32% |
| Thursday Night | 50°F | Chance Rain Showers | 12 to 15 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Long Hill (41.350, -72.051). Updated through the day.
Growing snapshot for Long Hill
Last spring frost
Apr 8
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7a
More local growing data for Long Hill: nearby ZIP 06340 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Baltic
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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 Long Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.