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.
Today
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 65 in the afternoon. Southwest wind 6 to 10 mph.
7-day forecast for Belle Terre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 6 to 10 mph SW | 0% |
| Tonight | 58°F | Partly Cloudy | 5 to 10 mph S | 0% |
| Thursday | 69°F | Mostly Cloudy | 10 to 15 mph S | 7% |
| Thursday Night | 60°F | Showers And Thunderstorms Likely | 8 to 14 mph SW | 73% |
| Friday | 66°F | Showers And Thunderstorms | 7 mph S | 95% |
| Friday Night | 58°F | Showers And Thunderstorms | 7 mph W | 83% |
| Saturday | 63°F | Mostly Sunny | 7 to 10 mph NW | 13% |
| Saturday Night | 49°F | Slight Chance Light Rain | 14 mph W | 23% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 13 mph W | 18% |
| Sunday Night | 48°F | Partly Cloudy | 10 to 14 mph W | 6% |
| Monday | 57°F | Sunny | 17 mph W | 14% |
| Monday Night | 46°F | Mostly Clear | 14 mph W | 14% |
| Tuesday | 59°F | Sunny | 16 mph SW | 5% |
| Tuesday Night | 47°F | Mostly Clear | 15 mph W | 2% |
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 Nov 4, 2026.