Yaphank, NY Weather & Growing Conditions
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. North wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 6 to 10 mph E | 0% |
| Saturday Night | 56°F | Partly Cloudy | 2 to 7 mph SE | 2% |
| Sunday | 70°F | Showers And Thunderstorms | 3 to 14 mph S | 76% |
| Sunday Night | 58°F | Showers And Thunderstorms | 7 to 12 mph SW | 90% |
| Monday | 68°F | Rain Showers Likely | 12 to 15 mph NE | 65% |
| Monday Night | 53°F | Chance Rain Showers | 9 to 15 mph NE | 27% |
| Tuesday | 65°F | Chance Rain Showers | 18 mph NE | 27% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 15 to 18 mph NE | 27% |
| Wednesday | 65°F | Slight Chance Rain Showers | 21 mph NE | 15% |
| Wednesday Night | 53°F | Chance Rain Showers | 18 mph NE | 35% |
| Thursday | 65°F | Chance Rain Showers | 21 mph NE | 37% |
| Thursday Night | 52°F | Chance Rain Showers | 12 to 17 mph NE | 37% |
| Friday | 67°F | Chance Rain Showers | 14 to 17 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Yaphank, NY
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
7a
Explore more for Yaphank, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Shirley Brookhaven Ap, Ny (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.