Canaan, CT Weather & Growing Conditions
Overnight
48°F
Mostly Cloudy
Mostly cloudy, with a low around 48. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Cloudy | 2 mph S | 2% |
| Sunday | 64°F | Rain Showers | 5 mph SE | 100% |
| Sunday Night | 49°F | Showers And Thunderstorms then Cloudy | 1 to 5 mph NE | 86% |
| Monday | 68°F | Partly Sunny | 5 mph N | 0% |
| Monday Night | 44°F | Mostly Cloudy | 3 mph NE | 4% |
| Tuesday | 64°F | Partly Sunny | 3 mph NE | 5% |
| Tuesday Night | 44°F | Mostly Cloudy | 2 to 6 mph NE | 2% |
| Wednesday | 65°F | Partly Sunny | 8 mph NE | 2% |
| Wednesday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph NE | 16% |
| Thursday | 64°F | Slight Chance Rain Showers | 5 to 8 mph NE | 21% |
| Thursday Night | 44°F | Chance Rain Showers | 5 to 9 mph NE | 33% |
| Friday | 64°F | Chance Rain Showers | 6 to 9 mph N | 35% |
| Friday Night | 46°F | Chance Rain Showers | 5 to 12 mph N | 35% |
| Saturday | 67°F | Chance Rain Showers | 6 to 10 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Canaan, CT
Last spring frost
May 11
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
6a
Explore more for Canaan, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Falls Village, Ct (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.