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.
This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 63 in the afternoon. Southwest wind 6 to 9 mph.
7-day forecast for Sound Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 6 to 9 mph SW | 0% |
| Tonight | 52°F | Partly Cloudy | 6 mph SW | 0% |
| Wednesday | 71°F | Mostly Sunny | 5 to 8 mph SW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 12 mph SW | 23% |
| Thursday Night | 59°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 63% |
| Friday | 67°F | Showers And Thunderstorms | 7 mph S | 79% |
| Friday Night | 57°F | Showers And Thunderstorms then Light Rain | 6 mph SW | 79% |
| Saturday | 63°F | Light Rain Likely | 7 mph N | 67% |
| Saturday Night | 51°F | Chance Light Rain | 9 mph NW | 32% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph NW | 16% |
| Sunday Night | 50°F | Partly Cloudy then Slight Chance Light Rain | 5 to 8 mph NW | 18% |
| Monday | 58°F | Chance Light Rain | 9 to 14 mph NW | 34% |
| Monday Night | 47°F | Chance Light Rain | 14 to 18 mph NW | 34% |
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
Nearby towns & communities
Amagansett
Amityville
Aquebogue
Asharoken
Babylon
Baiting Hollow
Bay Shore
Bayport
Baywood
Belle Terre
Bellport
Blue Point
Bohemia
Brentwood
Bridgehampton
Brightwaters
Brookhaven
Calverton
Captree
Center Moriches
Centereach
Centerport
Central Islip
Cold Spring Harbor
Commack
Copiague
Coram
Cutchogue
Deer Park
Dering Harbor
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 Nov 3, 2026.