Harman US

Sayville, NY Weather & Growing Conditions

This Afternoon
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 63 in the afternoon. South wind around 9 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Sunny 9 mph S 0%
Tonight 59°F Mostly Cloudy 9 mph S 1%
Thursday 68°F Slight Chance Light Rain 8 to 15 mph S 16%
Thursday Night 61°F Light Rain 8 to 15 mph SW 76%
Friday 67°F Rain 7 mph SW 80%
Friday Night 54°F Rain 5 mph W 79%
Saturday 64°F Mostly Sunny 5 to 10 mph W 14%
Saturday Night 44°F Slight Chance Light Rain 12 to 15 mph W 22%
Sunday 58°F Slight Chance Light Rain then Mostly Sunny 16 mph NW 22%
Sunday Night 42°F Mostly Clear 15 mph W 1%
Monday 58°F Sunny 17 mph W 6%
Monday Night 42°F Mostly Clear 10 to 14 mph W 6%
Tuesday 60°F Sunny 13 to 16 mph W 1%
Tuesday Night 42°F Mostly Clear 9 to 13 mph W 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Sayville, NY

Last spring frost
Apr 4
First fall frost
Nov 11
Growing season
219 days
Hardiness zone
7b

Explore more for Sayville, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Molloy Cercom, Ny (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.