Yaphank, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Yaphank, a community in Suffolk County, New York.
Overnight
53°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 53. Southwest wind around 3 mph.
7-day forecast for Yaphank
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Patchy Fog | 3 mph SW | 3% |
| Wednesday | 69°F | Patchy Fog then Sunny | 3 to 10 mph SW | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 7 mph SW | 2% |
| Thursday | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 12 mph S | 16% |
| Thursday Night | 60°F | Rain Showers | 9 mph SW | 85% |
| Friday | 67°F | Showers And Thunderstorms | 8 mph SW | 93% |
| Friday Night | 54°F | Showers And Thunderstorms | 5 mph SW | 93% |
| Saturday | 65°F | Rain Showers Likely | 8 mph NW | 62% |
| Saturday Night | 43°F | Slight Chance Rain Showers | 7 mph NW | 21% |
| Sunday | 59°F | Slight Chance Rain Showers then Mostly Sunny | 8 mph W | 18% |
| Sunday Night | 40°F | Partly Cloudy | 5 to 9 mph W | 14% |
| Monday | 59°F | Chance Light Rain | 9 to 13 mph NW | 26% |
| Monday Night | 39°F | Chance Light Rain | 8 to 12 mph W | 26% |
| Tuesday | 59°F | Slight Chance Light Rain then Mostly Sunny | 12 to 15 mph W | 20% |
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 Nov 4, 2026.