New Preston, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Preston, a community in Litchfield County, Connecticut.
Today
80°F
Patchy Fog then Sunny
Patchy fog before 7am. Sunny, with a high near 80. West wind around 3 mph.
7-day forecast for New Preston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Fog then Sunny | 3 mph W | 0% |
| Tonight | 60°F | Partly Cloudy | 2 mph SW | 1% |
| Wednesday | 79°F | Partly Sunny | 0 to 5 mph SW | 7% |
| Wednesday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 mph S | 23% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 67% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 67% |
| Friday | 84°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph W | 54% |
| Friday Night | 66°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph W | 54% |
| Saturday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 44% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 44% |
| Sunday | 83°F | Mostly Sunny | 1 to 6 mph W | 11% |
| Sunday Night | 66°F | Mostly Clear | 3 mph SW | 11% |
| Monday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 23% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 23% |
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 Aug 4, 2026.