Yaphank, NY Weather & Growing Conditions
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. East wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 2 to 6 mph E | 0% |
| Tonight | 64°F | Mostly Cloudy | 5 mph E | 9% |
| Wednesday | 82°F | Partly Sunny | 2 to 7 mph E | 12% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph S | 20% |
| Thursday | 86°F | Mostly Sunny | 5 to 12 mph SW | 11% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 to 12 mph SW | 17% |
| Friday | 87°F | Sunny | 6 to 10 mph SW | 13% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 28% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 17% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 8 mph SW | 25% |
| Sunday | 87°F | Mostly Sunny | 5 to 9 mph SW | 14% |
| Sunday Night | 72°F | Mostly Clear | 5 to 8 mph SW | 10% |
| Monday | 88°F | Sunny | 5 to 10 mph SW | 7% |
| Monday Night | 72°F | Slight Chance Rain Showers | 5 to 9 mph W | 18% |
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 Aug 4, 2026.