Canaan, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Canaan, a community in Litchfield County, Connecticut.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. North wind 1 to 5 mph.
7-day forecast for Canaan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 1 mph N | 0% |
| Saturday Night | 48°F | Mostly Cloudy | 1 mph E | 2% |
| Sunday | 64°F | Rain Showers | 1 to 5 mph SE | 95% |
| Sunday Night | 51°F | Rain Showers | 0 to 3 mph E | 95% |
| Monday | 66°F | Slight Chance Rain Showers then Partly Sunny | 6 mph N | 22% |
| Monday Night | 46°F | Partly Cloudy | 3 mph NE | 12% |
| Tuesday | 61°F | Slight Chance Rain Showers | 6 mph NE | 20% |
| Tuesday Night | 44°F | Mostly Cloudy | 2 to 8 mph NE | 9% |
| Wednesday | 62°F | Partly Sunny | 9 mph E | 11% |
| Wednesday Night | 44°F | Chance Rain Showers | 3 to 7 mph NE | 25% |
| Thursday | 61°F | Chance Rain Showers | 7 mph NE | 31% |
| Thursday Night | 46°F | Chance Rain Showers | 5 mph NE | 35% |
| Friday | 67°F | Chance Rain Showers | 7 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov) for Canaan (42.040, -73.333). Updated through the day.
Growing snapshot for Canaan
Last spring frost
May 3
First fall frost
Oct 11
Growing season
161 days
Hardiness zone
6a
More local growing data for Canaan: nearby ZIP 06018 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Bantam
Bethlehem Village
Bridgewater
Cornwall
Cornwall Bridge
Falls Village
Gaylordsville
Lakeville
Litchfield
New Hartford Center
New Milford
New Preston
Norfolk
Northwest Harwinton
Oakville
Pleasant Valley
Sharon
Terryville
Thomaston
Torrington
Watertown
West Cornwall
Winsted
Woodbury Center
Climate data from the nearest NOAA station, Norfolk 2 Sw, Ct (6.4 mi from Canaan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.