Heuvelton, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heuvelton, a village in St. Lawrence County, New York.
This Afternoon
63°F
Sunny
Sunny, with a high near 63. Northeast wind around 6 mph.
7-day forecast for Heuvelton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Sunny | 6 mph NE | 0% |
| Tonight | 43°F | Partly Cloudy | 0 to 6 mph NE | 11% |
| Sunday | 58°F | Light Rain | 2 to 7 mph NE | 84% |
| Sunday Night | 43°F | Mostly Cloudy | 2 to 9 mph N | 0% |
| Monday | 60°F | Mostly Sunny | 8 to 12 mph N | 0% |
| Monday Night | 39°F | Mostly Clear | 2 to 7 mph NE | 0% |
| Tuesday | 62°F | Sunny | 5 to 10 mph NE | 0% |
| Tuesday Night | 41°F | Mostly Clear | 2 to 8 mph NE | 0% |
| Wednesday | 67°F | Sunny | 3 to 8 mph NE | 1% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 8 mph E | 2% |
| Thursday | 66°F | Mostly Sunny | 1 to 7 mph NE | 4% |
| Thursday Night | 43°F | Mostly Cloudy | 1 to 6 mph NE | 9% |
| Friday | 66°F | Partly Sunny then Slight Chance Rain Showers | 1 to 8 mph NE | 19% |
| Friday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 7 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Heuvelton (44.616, -75.400). Updated through the day.
Growing snapshot for Heuvelton
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
More local growing data for Heuvelton: nearby ZIP 13680 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
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Massena
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Winthrop
Climate data from the nearest NOAA station, Canton 4 Se, Ny (10.9 mi from Heuvelton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.