Yaphank, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Yaphank, a community in Suffolk County, New York.
This Afternoon
80°F
Sunny
Sunny, with a high near 80. Northwest wind around 9 mph.
7-day forecast for Yaphank
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 9 mph NW | 0% |
| 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% |
Forecast source: National Weather Service (api.weather.gov) for Yaphank (40.831, -72.932). Updated through the day.
Growing snapshot for Yaphank
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
7a
More local growing data for Yaphank: nearby ZIP 11980 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Shirley Brookhaven Ap, Ny (3 mi from Yaphank). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.