Sound Beach, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sound Beach, a community in Suffolk County, New York.
Tonight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. North wind 8 to 15 mph.
7-day forecast for Sound Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 8 to 15 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 6 to 13 mph E | 0% |
| Saturday Night | 59°F | Partly Cloudy | 7 mph SE | 2% |
| Sunday | 68°F | Showers And Thunderstorms | 6 to 12 mph SE | 82% |
| Sunday Night | 61°F | Showers And Thunderstorms | 7 to 15 mph S | 90% |
| Monday | 66°F | Rain Showers Likely | 12 to 16 mph NE | 60% |
| Monday Night | 58°F | Chance Rain Showers | 12 to 18 mph NE | 26% |
| Tuesday | 63°F | Chance Rain Showers | 20 mph NE | 25% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 18 to 22 mph NE | 25% |
| Wednesday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 23 mph NE | 15% |
| Wednesday Night | 57°F | Chance Rain Showers | 23 mph NE | 34% |
| Thursday | 63°F | Chance Rain Showers | 18 to 23 mph NE | 36% |
| Thursday Night | 56°F | Chance Rain Showers | 16 to 21 mph NE | 36% |
| Friday | 66°F | Chance Rain Showers | 14 to 18 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Sound Beach (40.963, -72.971). Updated through the day.
Growing snapshot for Sound Beach
Last spring frost
Apr 4
First fall frost
Nov 7
Growing season
215 days
Hardiness zone
7b
More local growing data for Sound Beach: nearby ZIP 11789 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Mt Sinai, Ny (3.2 mi from Sound Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.