Bellport, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bellport, a village in Suffolk County, New York.
Today
80°F
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 77 in the afternoon. East wind 3 to 7 mph.
7-day forecast for Bellport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 67°F | Mostly Cloudy | 2 to 6 mph NE | 9% |
| Wednesday | 80°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph E | 16% |
| Wednesday Night | 73°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph S | 21% |
| Thursday | 83°F | Mostly Sunny | 8 to 16 mph SW | 10% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 10 to 17 mph SW | 15% |
| Friday | 85°F | Sunny | 9 to 15 mph SW | 10% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 8 to 15 mph SW | 28% |
| Saturday | 80°F | Mostly Sunny | 7 to 14 mph SW | 14% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 8 to 14 mph SW | 25% |
| Sunday | 81°F | Mostly Sunny | 7 to 13 mph SW | 14% |
| Sunday Night | 75°F | Mostly Clear | 8 to 13 mph SW | 10% |
| Monday | 82°F | Sunny | 8 to 15 mph SW | 7% |
| Monday Night | 74°F | Slight Chance Rain Showers | 9 to 15 mph W | 18% |
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 Aug 4, 2026.