Water Mill, NY Weather & Growing Conditions
Today
80°F
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 17% |
| Wednesday | 81°F | Partly Sunny | 2 to 7 mph SE | 14% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph S | 16% |
| Thursday | 84°F | Mostly Sunny | 5 to 12 mph SW | 9% |
| Thursday Night | 73°F | Mostly Clear | 6 to 10 mph SW | 12% |
| Friday | 86°F | Sunny | 6 to 10 mph SW | 8% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 17% |
| Saturday | 84°F | Mostly Sunny | 3 to 9 mph SW | 12% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 21% |
| Sunday | 83°F | Mostly Sunny | 5 to 9 mph SW | 12% |
| Sunday Night | 72°F | Mostly Clear | 3 to 8 mph SW | 7% |
| Monday | 86°F | Sunny | 5 to 10 mph SW | 7% |
| Monday Night | 71°F | Mostly Clear | 5 to 9 mph W | 13% |
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 Aug 4, 2026.