Port Henry, NY Weather & Growing Conditions
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 3 mph SE | 5% |
| Wednesday | 72°F | Mostly Sunny | 3 to 7 mph S | 4% |
| Wednesday Night | 53°F | Mostly Cloudy | 8 mph S | 2% |
| Thursday | 64°F | Rain Showers | 9 mph S | 95% |
| Thursday Night | 50°F | Chance Rain Showers then Patchy Fog | 3 to 7 mph SW | 34% |
| Friday | 63°F | Patchy Fog then Mostly Cloudy | 3 mph S | 10% |
| Friday Night | 46°F | Chance Light Rain | 6 mph N | 39% |
| Saturday | 53°F | Chance Light Rain | 7 mph N | 52% |
| Saturday Night | 40°F | Chance Light Rain | 6 mph N | 52% |
| Sunday | 49°F | Chance Light Rain | 2 to 6 mph NW | 43% |
| Sunday Night | 35°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph W | 17% |
| Monday | 48°F | Slight Chance Light Rain | 2 to 8 mph W | 23% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 16% |
| Tuesday | 51°F | Chance Light Rain | 2 to 8 mph SW | 31% |
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 Nov 4, 2026.