Rockville, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a community in Tolland County, Connecticut.
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. North wind 7 to 10 mph.
7-day forecast for Rockville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 7 to 10 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 1 to 6 mph NE | 0% |
| Saturday Night | 47°F | Partly Cloudy | 5 mph SE | 3% |
| Sunday | 64°F | Rain Showers | 3 to 7 mph SE | 89% |
| Sunday Night | 54°F | Rain Showers | 6 to 12 mph E | 88% |
| Monday | 65°F | Slight Chance Rain Showers | 8 to 12 mph NE | 22% |
| Monday Night | 48°F | Partly Cloudy | 7 to 12 mph NE | 14% |
| Tuesday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 15% |
| Tuesday Night | 46°F | Mostly Cloudy | 9 to 14 mph NE | 6% |
| Wednesday | 61°F | Partly Sunny | 14 to 17 mph NE | 11% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 15 mph NE | 23% |
| Thursday | 60°F | Chance Rain Showers | 15 mph NE | 27% |
| Thursday Night | 48°F | Chance Rain Showers | 10 to 14 mph NE | 32% |
| Friday | 64°F | Chance Rain Showers | 14 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for Rockville (41.867, -72.451). Updated through the day.
Growing snapshot for Rockville
Last spring frost
Apr 17
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
6b
More local growing data for Rockville: nearby ZIP 06066 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hartford Brainard Fld, Ct (12.1 mi from Rockville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.