New Preston, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Preston, a community in Litchfield County, Connecticut.
This Afternoon
67°F
Mostly Cloudy
Mostly cloudy, with a high near 67. Southwest wind around 6 mph.
7-day forecast for New Preston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Cloudy | 6 mph SW | 2% |
| Tonight | 48°F | Partly Cloudy | 3 mph SW | 5% |
| Wednesday | 70°F | Sunny | 3 to 9 mph SW | 4% |
| Wednesday Night | 53°F | Mostly Cloudy | 7 mph SW | 3% |
| Thursday | 66°F | Rain Showers Likely | 9 mph S | 61% |
| Thursday Night | 58°F | Rain Showers | 2 to 6 mph SW | 76% |
| Friday | 65°F | Rain Showers then Rain | 1 to 5 mph S | 76% |
| Friday Night | 52°F | Rain | 2 mph N | 76% |
| Saturday | 61°F | Chance Light Rain | 6 mph NW | 52% |
| Saturday Night | 41°F | Chance Light Rain | 6 mph NW | 30% |
| Sunday | 56°F | Slight Chance Light Rain then Mostly Sunny | 3 to 7 mph NW | 24% |
| Sunday Night | 37°F | Partly Cloudy then Slight Chance Light Rain | 6 mph W | 15% |
| Monday | 55°F | Chance Light Rain | 7 to 12 mph NW | 29% |
| Monday Night | 36°F | Chance Light Rain | 7 mph W | 29% |
Forecast source: National Weather Service (api.weather.gov) for New Preston (41.691, -73.334). Updated through the day.
Growing snapshot for New Preston
Last spring frost
May 11
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
6a
More local growing data for New Preston: nearby ZIP 06777 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Bantam
Bethlehem Village
Bridgewater
Canaan
Cornwall
Cornwall Bridge
Falls Village
Gaylordsville
Lakeville
Litchfield
New Hartford Center
New Milford
Norfolk
Northwest Harwinton
Oakville
Pleasant Valley
Sharon
Terryville
Thomaston
Torrington
Watertown
West Cornwall
Winsted
Woodbury Center
Climate data from the nearest NOAA station, Falls Village, Ct (18 mi from New Preston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.