West Cornwall, CT Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 2 mph S | 5% |
| Wednesday | 71°F | Sunny | 2 to 9 mph SW | 4% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 7 mph S | 2% |
| Thursday | 67°F | Rain Showers Likely | 8 mph S | 66% |
| Thursday Night | 58°F | Rain Showers Likely | 1 to 5 mph SW | 69% |
| Friday | 66°F | Rain Showers Likely then Rain Likely | 0 to 3 mph SW | 74% |
| Friday Night | 51°F | Rain Likely | 1 mph N | 74% |
| Saturday | 62°F | Chance Light Rain | 5 mph NW | 54% |
| Saturday Night | 39°F | Chance Light Rain | 3 mph NW | 32% |
| Sunday | 56°F | Chance Light Rain then Mostly Sunny | 2 to 7 mph NW | 25% |
| Sunday Night | 34°F | Partly Cloudy then Slight Chance Light Rain | 3 mph W | 15% |
| Monday | 55°F | Chance Light Rain | 5 to 9 mph NW | 29% |
| Monday Night | 33°F | Chance Light Rain | 6 mph W | 29% |
| Tuesday | 56°F | Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Cornwall, CT
Last spring frost
May 11
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
6a
Explore more for West Cornwall, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Falls Village, Ct (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.