Canaan, 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 | 6% |
| Wednesday | 73°F | Sunny | 2 to 8 mph SW | 4% |
| Wednesday Night | 56°F | Mostly Cloudy | 2 to 6 mph S | 4% |
| Thursday | 68°F | Rain Showers Likely | 5 to 8 mph S | 69% |
| Thursday Night | 60°F | Rain Showers Likely | 0 to 3 mph SW | 65% |
| Friday | 68°F | Rain Showers Likely then Rain Likely | 0 to 3 mph SW | 71% |
| Friday Night | 51°F | Rain Likely | 1 mph N | 71% |
| Saturday | 63°F | Chance Light Rain | 1 to 5 mph NW | 54% |
| Saturday Night | 39°F | Chance Light Rain | 2 mph NW | 35% |
| Sunday | 58°F | Chance Light Rain then Mostly Sunny | 2 to 6 mph NW | 28% |
| Sunday Night | 33°F | Partly Cloudy then Slight Chance Light Rain | 2 mph W | 15% |
| Monday | 56°F | Chance Light Rain | 2 to 9 mph NW | 30% |
| Monday Night | 32°F | Chance Light Rain | 5 mph W | 30% |
| Tuesday | 58°F | Chance Light Rain then Mostly Sunny | 5 to 9 mph W | 26% |
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 Nov 4, 2026.