New Haven, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Haven, a community in Addison County, Vermont.
This Afternoon
62°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 62. South wind around 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Slight Chance Rain Showers | 9 mph S | 22% |
| Tonight | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph S | 19% |
| Wednesday | 73°F | Partly Sunny | 9 to 14 mph S | 5% |
| Wednesday Night | 55°F | Partly Cloudy | 8 to 15 mph S | 2% |
| Thursday | 67°F | Rain Showers | 9 to 13 mph S | 88% |
| Thursday Night | 54°F | Chance Rain Showers | 1 to 9 mph S | 50% |
| Friday | 64°F | Chance Rain Showers | 0 to 5 mph SW | 38% |
| Friday Night | 47°F | Light Rain Likely | 3 mph N | 56% |
| Saturday | 56°F | Light Rain Likely | 3 to 7 mph NW | 60% |
| Saturday Night | 40°F | Chance Light Rain | 5 mph NW | 53% |
| Sunday | 53°F | Chance Light Rain | 2 to 7 mph W | 29% |
| Sunday Night | 34°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph SW | 23% |
| Monday | 51°F | Chance Light Rain | 3 to 8 mph NW | 30% |
| Monday Night | 32°F | Chance Light Rain | 3 to 7 mph SW | 30% |
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 Nov 4, 2026.