Long Hill, CT Weather & Growing Conditions
Overnight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. Northeast wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Cloudy | 12 mph NE | 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% |
| Friday | 67°F | Chance Rain Showers | 14 to 17 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Long Hill, CT
Last spring frost
Apr 8
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7a
Explore more for Long Hill, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Groton, Ct (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.