Belle Terre, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belle Terre, a village in Suffolk County, New York.
Tonight
60°F
Partly Cloudy
Partly cloudy. Low around 60, with temperatures rising to around 62 overnight. North wind 9 to 17 mph.
7-day forecast for Belle Terre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 9 to 17 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 8 to 16 mph E | 0% |
| Saturday Night | 61°F | Partly Cloudy | 9 mph SE | 3% |
| Sunday | 70°F | Showers And Thunderstorms | 9 to 14 mph SE | 83% |
| Sunday Night | 63°F | Showers And Thunderstorms | 8 to 18 mph SE | 90% |
| Monday | 67°F | Rain Showers Likely | 12 to 20 mph NE | 58% |
| Monday Night | 58°F | Chance Rain Showers | 12 to 20 mph NE | 26% |
| Tuesday | 64°F | Chance Rain Showers | 17 to 21 mph NE | 26% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 18 to 23 mph NE | 26% |
| Wednesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 21 to 24 mph NE | 15% |
| Wednesday Night | 57°F | Chance Rain Showers | 21 to 24 mph NE | 35% |
| Thursday | 64°F | Chance Rain Showers | 20 to 23 mph NE | 35% |
| Thursday Night | 56°F | Chance Rain Showers | 20 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 15 to 20 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Belle Terre (40.961, -73.067). Updated through the day.
Growing snapshot for Belle Terre
Last spring frost
Apr 15
First fall frost
Nov 10
Growing season
208 days
Hardiness zone
7b
More local growing data for Belle Terre: nearby ZIP 11777 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Setauket Strong, Ny (2 mi from Belle Terre). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.