Canaan, CT Weather & Growing Conditions
This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. Southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 7 mph SW | 1% |
| Tonight | 56°F | Partly Cloudy | 6 mph SW | 1% |
| Thursday | 68°F | Rain Showers | 8 mph S | 82% |
| Thursday Night | 60°F | Rain Showers Likely | 1 to 6 mph SW | 60% |
| Friday | 69°F | Chance Rain Showers | 3 mph SW | 38% |
| Friday Night | 49°F | Slight Chance Light Rain | 1 mph NW | 38% |
| Saturday | 63°F | Chance Light Rain | 5 mph NW | 34% |
| Saturday Night | 41°F | Chance Light Rain | 3 to 7 mph NW | 42% |
| Sunday | 56°F | Chance Light Rain then Partly Sunny | 6 to 9 mph NW | 42% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph W | 6% |
| Monday | 54°F | Slight Chance Light Rain | 6 to 12 mph W | 18% |
| Monday Night | 33°F | Partly Cloudy | 2 to 6 mph W | 7% |
| Tuesday | 58°F | Mostly Sunny | 5 to 8 mph W | 2% |
| Tuesday Night | 33°F | Mostly Clear | 2 to 6 mph W | 2% |
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.