Willsboro, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willsboro, a community in Essex County, New York.
Overnight
44°F
Mostly Clear
Mostly clear, with a low around 44. North wind 7 to 10 mph.
7-day forecast for Willsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Mostly Clear | 7 to 10 mph N | 0% |
| Saturday | 64°F | Mostly Sunny | 7 mph N | 0% |
| Saturday Night | 45°F | Partly Cloudy | 1 to 8 mph SW | 1% |
| Sunday | 56°F | Rain Showers | 8 to 12 mph S | 94% |
| Sunday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 10 mph NE | 17% |
| Monday | 60°F | Partly Sunny | 12 mph N | 0% |
| Monday Night | 42°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 to 9 mph N | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 1 to 8 mph NW | 0% |
| Wednesday | 66°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph SE | 3% |
| Thursday | 64°F | Slight Chance Rain Showers | 2 to 6 mph E | 19% |
| Thursday Night | 45°F | Chance Rain Showers | 6 mph N | 27% |
| Friday | 65°F | Chance Rain Showers | 5 to 10 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov) for Willsboro (44.364, -73.393). Updated through the day.
Growing snapshot for Willsboro
Last spring frost
May 2
First fall frost
Oct 14
Growing season
165 days
Hardiness zone
5a
More local growing data for Willsboro: nearby ZIP 12996 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Elizabethtown
Lake Placid
Mineville
Port Henry
Schroon Lake
Westport
Willsboro Point
Wilmington
Witherbee
Climate data from the nearest NOAA station, Willsboro 1 N, Ny (3.8 mi from Willsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.