Harman US

Yaphank, NY Weather & Growing Conditions

This Afternoon
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 63 in the afternoon. South wind 7 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Sunny 7 to 10 mph S 0%
Tonight 58°F Partly Cloudy 6 mph S 0%
Thursday 70°F Mostly Cloudy 7 to 12 mph SW 7%
Thursday Night 63°F Showers And Thunderstorms 6 to 9 mph SW 77%
Friday 67°F Showers And Thunderstorms 3 to 7 mph SW 97%
Friday Night 53°F Showers And Thunderstorms 3 mph W 88%
Saturday 64°F Mostly Sunny 3 to 8 mph NW 14%
Saturday Night 43°F Slight Chance Light Rain 8 mph W 22%
Sunday 59°F Slight Chance Light Rain then Mostly Sunny 10 mph W 18%
Sunday Night 40°F Partly Cloudy 6 to 9 mph W 6%
Monday 57°F Sunny 9 to 14 mph W 14%
Monday Night 39°F Mostly Clear 6 to 9 mph W 14%
Tuesday 59°F Sunny 9 to 13 mph W 5%
Tuesday Night 39°F Mostly Clear 7 to 10 mph W 3%

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 Nov 4, 2026.