Rockville, CT Weather & Growing Conditions
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. North wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 7 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 0 to 6 mph NE | 0% |
| Saturday Night | 50°F | Mostly Cloudy | 5 mph SE | 0% |
| Sunday | 63°F | Rain Showers | 5 to 8 mph SE | 84% |
| Sunday Night | 51°F | Rain Showers | 6 to 13 mph E | 80% |
| Monday | 66°F | Partly Sunny | 7 to 13 mph N | 9% |
| Monday Night | 46°F | Mostly Cloudy | 8 mph NE | 3% |
| Tuesday | 62°F | Mostly Cloudy | 12 mph NE | 4% |
| Tuesday Night | 45°F | Mostly Cloudy | 7 to 10 mph NE | 3% |
| Wednesday | 64°F | Partly Sunny | 12 to 16 mph NE | 4% |
| Wednesday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Thursday | 62°F | Chance Rain Showers | 17 mph NE | 32% |
| Thursday Night | 46°F | Chance Rain Showers | 17 mph N | 36% |
| Friday | 63°F | Chance Rain Showers | 17 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockville, CT
Last spring frost
Apr 17
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
6b
Explore more for Rockville, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Hartford Brainard Fld, Ct (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.