Port Henry, NY Weather & Growing Conditions
This Afternoon
62°F
Sunny
Sunny, with a high near 62. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Sunny | 5 mph NE | 0% |
| Tonight | 44°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Sunday | 54°F | Rain Showers | 7 mph S | 93% |
| Sunday Night | 44°F | Chance Rain Showers then Mostly Cloudy | 2 to 10 mph NE | 29% |
| Monday | 57°F | Partly Sunny | 12 mph N | 0% |
| Monday Night | 41°F | Mostly Cloudy | 5 to 9 mph N | 0% |
| Tuesday | 59°F | Partly Sunny | 7 mph N | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Wednesday | 64°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Wednesday Night | 42°F | Mostly Cloudy | 0 to 3 mph S | 4% |
| Thursday | 61°F | Slight Chance Rain Showers | 0 to 5 mph N | 21% |
| Thursday Night | 44°F | Chance Rain Showers | 6 mph N | 26% |
| Friday | 62°F | Chance Rain Showers | 5 to 10 mph N | 26% |
| Friday Night | 45°F | Chance Rain Showers | 9 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Henry, NY
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
5a
Explore more for Port Henry, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Vergennes, Vt (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.