New Preston, CT Weather & Growing Conditions
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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% |
| Tuesday | 56°F | Slight Chance Light Rain then Mostly Sunny | 8 to 12 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Preston, CT
Last spring frost
May 11
First fall frost
Oct 4
Growing season
146 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, Falls Village, Ct (18 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.