New Preston, CT Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 3 mph W | 0% |
| Tonight | 60°F | Partly Cloudy | 2 mph S | 2% |
| Wednesday | 79°F | Partly Sunny | 0 to 5 mph SW | 8% |
| Wednesday Night | 66°F | Slight Chance Rain Showers | 3 mph S | 22% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 65% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 65% |
| Friday | 85°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 to 6 mph SW | 51% |
| Friday Night | 67°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph W | 51% |
| Saturday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 42% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 mph W | 42% |
| Sunday | 84°F | Mostly Sunny | 2 to 6 mph W | 11% |
| Sunday Night | 67°F | Mostly Clear | 3 mph SW | 11% |
| Monday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 21% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Preston, CT
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 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, Danbury, Ct (17.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.