Port Henry, VT Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. South wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 to 7 mph S | 0% |
| Tonight | 59°F | Mostly Clear | 6 mph S | 0% |
| Wednesday | 85°F | Mostly Sunny | 3 to 10 mph S | 0% |
| Wednesday Night | 65°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 9 mph S | 17% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 8 mph S | 56% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely | 6 mph S | 56% |
| Friday | 87°F | Showers And Thunderstorms Likely | 5 mph SW | 58% |
| Friday Night | 66°F | Showers And Thunderstorms Likely | 3 mph SW | 58% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 5 mph S | 55% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 mph S | 55% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 15% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph S | 28% |
| Monday | 86°F | Chance Rain Showers | 7 to 10 mph SW | 40% |
| Monday Night | 62°F | Chance Rain Showers | 2 to 8 mph SW | 40% |
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 Aug 4, 2026.