New Haven, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Haven, a community in Addison County, Vermont.
Today
83°F
Sunny
Sunny, with a high near 83. Southwest wind around 6 mph.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 6 mph SW | 0% |
| Tonight | 60°F | Mostly Clear | 6 mph S | 0% |
| Wednesday | 84°F | Mostly Sunny | 3 to 10 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy | 5 to 9 mph S | 12% |
| Thursday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 8 mph S | 52% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 6 mph S | 52% |
| Friday | 85°F | Showers And Thunderstorms Likely | 5 mph SW | 58% |
| Friday Night | 66°F | Showers And Thunderstorms Likely | 0 to 3 mph S | 58% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 54% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 54% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 17% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph S | 33% |
| Monday | 84°F | Chance Rain Showers | 7 to 10 mph S | 47% |
| Monday Night | 63°F | Chance Rain Showers | 2 to 8 mph SW | 47% |
Forecast source: National Weather Service (api.weather.gov) for New Haven (44.133, -73.145). Updated through the day.
Growing snapshot for New Haven
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
5a
More local growing data for New Haven: nearby ZIP 05472 weather · frost dates · planting calendar · Vermont frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vergennes, Vt (6 mi from New Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.