Port Henry, NY Weather & Growing Conditions
This Afternoon
61°F
Sunny
Sunny, with a high near 61. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Sunny | 5 mph NE | 0% |
| Tonight | 40°F | Mostly Cloudy | 1 to 6 mph SE | 2% |
| Sunday | 52°F | Rain Showers | 5 to 8 mph S | 95% |
| Sunday Night | 40°F | Chance Rain Showers then Mostly Cloudy | 3 to 9 mph NE | 29% |
| Monday | 56°F | Partly Sunny | 10 mph N | 0% |
| Monday Night | 37°F | Mostly Cloudy | 8 mph N | 0% |
| Tuesday | 58°F | Partly Sunny | 7 mph N | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Wednesday | 62°F | Mostly Sunny | 5 mph NE | 0% |
| Wednesday Night | 39°F | Mostly Cloudy | 5 mph NE | 5% |
| Thursday | 60°F | Slight Chance Rain Showers | 5 mph NE | 21% |
| Thursday Night | 39°F | Chance Rain Showers | 8 mph N | 26% |
| Friday | 61°F | Chance Rain Showers | 9 mph N | 26% |
| Friday Night | 41°F | Chance Rain Showers | 12 mph N | 26% |
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 Sep 19, 2026.