Port Henry, VT Weather & Growing Conditions
Today
64°F
Sunny
Sunny, with a high near 64. North wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Sunny | 6 mph N | 0% |
| Tonight | 42°F | Partly Cloudy | 0 to 6 mph NE | 1% |
| Sunday | 56°F | Rain Showers | 5 to 8 mph S | 92% |
| Sunday Night | 42°F | Chance Rain Showers then Mostly Cloudy | 2 to 10 mph N | 39% |
| Monday | 61°F | Partly Sunny | 10 to 14 mph N | 0% |
| Monday Night | 40°F | Mostly Cloudy | 5 to 12 mph N | 0% |
| Tuesday | 63°F | Partly Sunny | 6 to 9 mph N | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 2 to 8 mph N | 0% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 0% |
| Wednesday Night | 41°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 65°F | Slight Chance Rain Showers | 1 to 6 mph NE | 21% |
| Thursday Night | 42°F | Chance Rain Showers | 6 mph N | 25% |
| Friday | 66°F | Chance Rain Showers | 6 to 12 mph N | 25% |
| Friday Night | 43°F | Chance Rain Showers | 7 to 10 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Henry, VT
Last spring frost
May 5
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a
Explore more for Port Henry, VT: full frost dates · planting calendar · Vermont frost dates
Climate data from the nearest NOAA station, Cornwall, Vt (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.