Water Mill, NY Weather & Growing Conditions
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. North wind 2 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 2 to 9 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 8 to 12 mph E | 0% |
| Saturday Night | 55°F | Partly Cloudy | 6 mph E | 1% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 73% |
| Sunday Night | 58°F | Showers And Thunderstorms | 6 to 12 mph SE | 91% |
| Monday | 68°F | Rain Showers Likely | 15 mph NE | 71% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 16 mph NE | 28% |
| Tuesday | 65°F | Chance Rain Showers | 20 mph NE | 25% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 17 to 21 mph NE | 24% |
| Wednesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 20 to 23 mph NE | 16% |
| Wednesday Night | 54°F | Chance Rain Showers | 20 to 23 mph NE | 30% |
| Thursday | 65°F | Chance Rain Showers | 23 mph NE | 35% |
| Thursday Night | 54°F | Chance Rain Showers | 15 to 20 mph NE | 37% |
| Friday | 67°F | Chance Rain Showers | 15 to 18 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Water Mill, NY
Last spring frost
Apr 23
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
7b
Explore more for Water Mill, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Bridgehampton, Ny (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.