Canaan, CT Weather & Growing Conditions
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. North wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 1 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 1 mph N | 0% |
| Saturday Night | 49°F | Mostly Cloudy | 1 mph SE | 2% |
| Sunday | 64°F | Rain Showers | 1 to 5 mph SE | 95% |
| Sunday Night | 51°F | Rain Showers | 1 to 5 mph E | 95% |
| Monday | 66°F | Slight Chance Rain Showers | 6 mph N | 22% |
| Monday Night | 46°F | Partly Cloudy | 5 mph NE | 13% |
| Tuesday | 62°F | Slight Chance Rain Showers | 6 mph NE | 20% |
| Tuesday Night | 45°F | Mostly Cloudy | 3 to 8 mph NE | 9% |
| Wednesday | 62°F | Partly Sunny | 9 mph NE | 11% |
| Wednesday Night | 45°F | Chance Rain Showers | 7 mph NE | 25% |
| Thursday | 61°F | Chance Rain Showers | 7 mph NE | 31% |
| Thursday Night | 47°F | Chance Rain Showers | 5 mph NE | 35% |
| Friday | 67°F | Chance Rain Showers | 6 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Canaan, CT
Last spring frost
May 3
First fall frost
Oct 11
Growing season
161 days
Hardiness zone
6a
Explore more for Canaan, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Norfolk 2 Sw, Ct (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.