Port Henry, VT Weather & Growing Conditions
Overnight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. South wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Partly Cloudy | 9 mph S | 5% |
| Wednesday | 73°F | Mostly Sunny | 8 to 12 mph S | 4% |
| Wednesday Night | 54°F | Mostly Cloudy | 6 to 9 mph S | 2% |
| Thursday | 67°F | Rain Showers | 10 mph S | 97% |
| Thursday Night | 51°F | Chance Rain Showers then Patchy Fog | 2 to 9 mph S | 44% |
| Friday | 65°F | Patchy Fog then Mostly Cloudy | 3 mph SE | 11% |
| Friday Night | 46°F | Chance Light Rain | 3 to 8 mph N | 39% |
| Saturday | 56°F | Chance Light Rain | 8 mph N | 50% |
| Saturday Night | 39°F | Chance Light Rain | 7 mph N | 50% |
| Sunday | 52°F | Chance Light Rain | 7 mph NW | 41% |
| Sunday Night | 33°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph SW | 15% |
| Monday | 51°F | Slight Chance Light Rain | 3 to 9 mph W | 22% |
| Monday Night | 30°F | Slight Chance Light Rain then Partly Cloudy | 5 mph SW | 18% |
| Tuesday | 54°F | Chance Light Rain | 5 to 10 mph SW | 29% |
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 Nov 4, 2026.