Canaan, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Canaan, a community in Litchfield County, Connecticut.
This Afternoon
70°F
Mostly Cloudy
Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. Southwest wind around 5 mph.
7-day forecast for Canaan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Cloudy | 5 mph SW | 3% |
| Tonight | 49°F | Partly Cloudy | 2 mph S | 6% |
| Wednesday | 73°F | Sunny | 1 to 8 mph SW | 4% |
| Wednesday Night | 55°F | Mostly Cloudy | 2 to 6 mph S | 3% |
| Thursday | 68°F | Rain Showers Likely | 3 to 8 mph S | 69% |
| Thursday Night | 60°F | Rain Showers Likely | 0 to 3 mph SW | 64% |
| 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 | Light Rain Likely | 0 to 5 mph NW | 55% |
| Saturday Night | 38°F | Chance Light Rain | 2 mph NW | 36% |
| Sunday | 58°F | Chance Light Rain then Mostly Sunny | 2 to 6 mph NW | 29% |
| 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 | 31°F | Chance Light Rain | 5 mph W | 30% |
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 Nov 3, 2026.