Thompsonville, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thompsonville, a community in Hartford County, Connecticut.
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind around 5 mph.
7-day forecast for Thompsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 mph SW | 0% |
| Tonight | 59°F | Partly Cloudy | 0 to 3 mph S | 1% |
| Wednesday | 83°F | Partly Sunny | 0 to 7 mph SW | 2% |
| Wednesday Night | 66°F | Partly Cloudy | 2 to 6 mph S | 13% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 2 to 9 mph S | 42% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 54% |
| Friday | 88°F | Mostly Sunny then Chance Rain Showers | 3 to 8 mph SW | 31% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 42% |
| Saturday | 86°F | Partly Sunny then Chance Rain Showers | 1 to 7 mph W | 29% |
| Saturday Night | 68°F | Chance Rain Showers | 1 to 5 mph SW | 38% |
| Sunday | 87°F | Mostly Sunny | 1 to 7 mph SW | 14% |
| Sunday Night | 68°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph SW | 18% |
| Monday | 88°F | Mostly Sunny | 2 to 12 mph SW | 13% |
| Monday Night | 67°F | Partly Cloudy | 6 to 9 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Thompsonville (41.992, -72.597). Updated through the day.
Growing snapshot for Thompsonville
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
177 days
Hardiness zone
6b
More local growing data for Thompsonville: nearby ZIP 06082 weather · frost dates · planting calendar · Connecticut frost dates
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Climate data from the nearest NOAA station, Hartford Bradley Intl Ap, Ct (7.3 mi from Thompsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.