Port Henry, NY Weather & Growing Conditions
Today
82°F
Sunny
Sunny, with a high near 82. West wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 6 mph W | 0% |
| Tonight | 57°F | Mostly Clear | 5 mph SW | 0% |
| Wednesday | 83°F | Mostly Sunny | 2 to 6 mph SW | 0% |
| Wednesday Night | 62°F | Mostly Cloudy then Chance Rain Showers | 6 mph SW | 25% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 6 mph S | 68% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph SW | 68% |
| Friday | 84°F | Showers And Thunderstorms Likely | 5 mph SW | 59% |
| Friday Night | 62°F | Showers And Thunderstorms Likely | 3 mph W | 59% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 3 mph SW | 58% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely | 5 mph SW | 58% |
| Sunday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 7 mph SW | 15% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 22% |
| Monday | 83°F | Chance Rain Showers | 9 mph SW | 34% |
| Monday Night | 59°F | Chance Rain Showers | 5 to 8 mph W | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Henry, NY
Last spring frost
May 5
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
4b
Explore more for Port Henry, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Cornwall, Vt (18.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.