Canaan, CT Weather & Growing Conditions
This Afternoon
68°F
Partly Sunny
Partly sunny, with a high near 68. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Partly Sunny | 1 mph E | 0% |
| Tonight | 49°F | Mostly Cloudy | 1 to 5 mph SE | 1% |
| Sunday | 63°F | Rain Showers | 7 mph SE | 99% |
| Sunday Night | 50°F | Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph NE | 88% |
| Monday | 67°F | Partly Sunny | 6 mph N | 0% |
| Monday Night | 45°F | Mostly Cloudy | 5 mph NE | 4% |
| Tuesday | 63°F | Partly Sunny | 6 mph NE | 5% |
| Tuesday Night | 44°F | Mostly Cloudy | 2 to 7 mph NE | 3% |
| Wednesday | 64°F | Partly Sunny | 9 mph NE | 2% |
| Wednesday Night | 44°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 9 mph NE | 16% |
| Thursday | 63°F | Slight Chance Rain Showers | 6 to 9 mph NE | 22% |
| Thursday Night | 45°F | Chance Rain Showers | 6 to 12 mph NE | 34% |
| Friday | 63°F | Chance Rain Showers | 7 to 12 mph NE | 36% |
| Friday Night | 46°F | Chance Rain Showers | 7 to 12 mph N | 36% |
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 (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.