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Rockville, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a community in Tolland County, Connecticut.

Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. Southwest wind around 6 mph.

7-day forecast for Rockville

WhenTempForecastWindPrecip
Tonight 48°F Partly Cloudy 6 mph SW 3%
Wednesday 73°F Sunny 5 to 10 mph SW 3%
Wednesday Night 55°F Partly Cloudy 9 mph S 2%
Thursday 71°F Chance Light Rain 7 to 13 mph S 34%
Thursday Night 62°F Light Rain 5 to 10 mph S 75%
Friday 68°F Rain 5 mph S 83%
Friday Night 56°F Rain 6 mph SW 82%
Saturday 64°F Light Rain Likely 8 mph NW 60%
Saturday Night 41°F Chance Light Rain 7 mph NW 33%
Sunday 58°F Slight Chance Light Rain then Mostly Sunny 6 to 9 mph W 20%
Sunday Night 36°F Partly Cloudy 6 mph W 8%
Monday 57°F Slight Chance Light Rain 6 to 15 mph W 21%
Monday Night 35°F Slight Chance Light Rain then Partly Cloudy 9 mph W 20%
Tuesday 57°F Mostly Sunny 10 to 15 mph SW 9%

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

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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 Nov 4, 2026.