Bellport, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bellport, a village in Suffolk County, New York.
Today
69°F
Partly Sunny
Partly sunny. High near 69, with temperatures falling to around 65 in the afternoon. East wind around 14 mph.
7-day forecast for Bellport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Partly Sunny | 14 mph E | 0% |
| Tonight | 61°F | Mostly Cloudy | 7 to 12 mph SE | 1% |
| Sunday | 70°F | Rain Likely | 7 to 14 mph SE | 73% |
| Sunday Night | 61°F | Rain | 8 to 13 mph W | 89% |
| Monday | 66°F | Chance Light Rain | 14 to 24 mph NE | 49% |
| Monday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 14 to 24 mph NE | 22% |
| Tuesday | 63°F | Chance Rain Showers | 23 to 26 mph NE | 26% |
| Tuesday Night | 57°F | Chance Rain Showers | 23 to 32 mph NE | 26% |
| Wednesday | 63°F | Slight Chance Rain Showers | 32 mph NE | 20% |
| Wednesday Night | 58°F | Chance Rain Showers | 30 to 36 mph NE | 34% |
| Thursday | 63°F | Chance Rain Showers | 31 to 36 mph NE | 35% |
| Thursday Night | 56°F | Chance Rain Showers | 30 to 35 mph NE | 40% |
| Friday | 64°F | Chance Rain Showers | 26 to 33 mph N | 37% |
| Friday Night | 57°F | Chance Rain Showers | 29 to 36 mph N | 37% |
Forecast source: National Weather Service (api.weather.gov) for Bellport (40.751, -72.941). Updated through the day.
Growing snapshot for Bellport
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
7a
More local growing data for Bellport: nearby ZIP 11713 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Shirley Brookhaven Ap, Ny (4.9 mi from Bellport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.