New Preston, CT Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 3 mph W | 0% |
| Tonight | 61°F | Partly Cloudy | 1 mph SE | 1% |
| Wednesday | 80°F | Partly Sunny | 0 to 5 mph SW | 5% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 27% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 69% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SW | 69% |
| Friday | 85°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph W | 54% |
| Friday Night | 67°F | Scattered Showers And Thunderstorms | 0 to 3 mph SW | 54% |
| Saturday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph W | 45% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 2 mph W | 45% |
| Sunday | 84°F | Mostly Sunny | 1 to 6 mph W | 11% |
| Sunday Night | 67°F | Mostly Clear | 3 mph SW | 11% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 24% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Preston, CT
Last spring frost
May 4
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
6a
Explore more for New Preston, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Millbrook 3 W, Ny (16 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.