North Great River, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Great River, a community in Suffolk County, New York.
Today
82°F
Mostly Sunny
Mostly sunny. High near 82, with temperatures falling to around 80 in the afternoon. East wind 3 to 7 mph.
7-day forecast for North Great River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 2 to 6 mph NE | 7% |
| Wednesday | 82°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph E | 17% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph S | 23% |
| Thursday | 85°F | Mostly Sunny | 5 to 12 mph SW | 12% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 to 12 mph SW | 18% |
| Friday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 16% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 31% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 27% |
| Sunday | 85°F | Mostly Sunny | 5 to 9 mph SW | 13% |
| Sunday Night | 73°F | Mostly Clear | 5 to 9 mph SW | 10% |
| Monday | 87°F | Sunny | 5 to 12 mph SW | 8% |
| Monday Night | 73°F | Slight Chance Rain Showers | 6 to 10 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for North Great River (40.756, -73.163). Updated through the day.
Growing snapshot for North Great River
Last spring frost
Apr 10
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7b
More local growing data for North Great River: nearby ZIP 11752 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, Islip Li Macarthur Ap, Ny (4.5 mi from North Great River). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.