Canaan, CT Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 3 mph SW | 2% |
| Wednesday | 72°F | Sunny | 3 to 7 mph SW | 2% |
| Wednesday Night | 56°F | Mostly Cloudy | 7 mph S | 1% |
| Thursday | 68°F | Light Rain Likely | 8 mph S | 74% |
| Thursday Night | 59°F | Light Rain | 2 to 6 mph SW | 78% |
| Friday | 69°F | Light Rain Likely | 2 mph S | 69% |
| Friday Night | 50°F | Light Rain Likely | 2 mph N | 69% |
| Saturday | 62°F | Chance Light Rain | 5 mph NW | 35% |
| Saturday Night | 40°F | Chance Light Rain | 5 mph NW | 38% |
| Sunday | 55°F | Slight Chance Light Rain then Partly Sunny | 3 to 7 mph NW | 22% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 53°F | Mostly Sunny then Slight Chance Light Rain | 5 to 9 mph W | 15% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 6 mph W | 15% |
| Tuesday | 57°F | Mostly Sunny | 5 to 8 mph SW | 7% |
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 Nov 4, 2026.