Long Hill, CT Weather & Growing Conditions
This Afternoon
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. East wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 8 mph E | 0% |
| Tonight | 51°F | Partly Cloudy | 6 mph E | 0% |
| Sunday | 67°F | Rain | 5 to 8 mph SE | 90% |
| Sunday Night | 53°F | Rain | 6 to 10 mph E | 90% |
| Monday | 67°F | Chance Light Rain | 7 to 12 mph NE | 39% |
| Monday Night | 49°F | Mostly Cloudy | 3 to 9 mph NE | 6% |
| Tuesday | 64°F | Mostly Cloudy | 13 mph NE | 9% |
| Tuesday Night | 48°F | Mostly Cloudy | 10 to 14 mph NE | 6% |
| Wednesday | 65°F | Partly Sunny | 15 to 20 mph NE | 5% |
| Wednesday Night | 48°F | Chance Rain Showers | 14 to 17 mph NE | 26% |
| Thursday | 64°F | Chance Rain Showers | 17 to 22 mph NE | 33% |
| Thursday Night | 49°F | Chance Rain Showers | 15 to 18 mph NE | 37% |
| Friday | 65°F | Chance Rain Showers | 20 mph N | 33% |
| Friday Night | 49°F | Chance Rain Showers | 15 to 18 mph N | 35% |
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.