New Haven, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Haven, a community in Addison County, Vermont.
Tonight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. North wind 5 to 10 mph.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 63°F | Sunny | 7 mph N | 0% |
| Saturday Night | 44°F | Mostly Cloudy then Chance Light Rain | 1 to 6 mph SE | 51% |
| Sunday | 61°F | Light Rain | 5 to 8 mph SE | 88% |
| Sunday Night | 46°F | Light Rain then Mostly Cloudy | 1 to 6 mph NE | 83% |
| Monday | 61°F | Partly Sunny | 7 to 13 mph N | 0% |
| Monday Night | 42°F | Mostly Cloudy | 2 to 10 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 2 to 8 mph N | 1% |
| Tuesday Night | 42°F | Partly Cloudy | 1 to 7 mph NE | 1% |
| Wednesday | 66°F | Mostly Sunny | 1 to 6 mph E | 4% |
| Wednesday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 5 mph E | 15% |
| Thursday | 64°F | Chance Rain Showers | 1 to 7 mph NE | 25% |
| Thursday Night | 46°F | Chance Rain Showers | 2 to 6 mph NE | 29% |
| Friday | 66°F | Slight Chance Rain Showers then Partly Sunny | 2 to 9 mph N | 24% |
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 Sep 19, 2026.