New Suffolk, NY Weather & Growing Conditions
This Afternoon
67°F
Mostly Sunny
Mostly sunny, with a high near 67. East wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Sunny | 8 mph E | 0% |
| Tonight | 57°F | Mostly Cloudy | 6 mph SE | 1% |
| Sunday | 71°F | Rain Showers Likely then Rain | 6 to 12 mph SE | 82% |
| Sunday Night | 58°F | Rain then Rain Showers | 7 to 14 mph S | 89% |
| Monday | 68°F | Chance Rain Showers | 9 to 15 mph NE | 45% |
| Monday Night | 56°F | Slight Chance Rain Showers | 9 to 14 mph NE | 17% |
| Tuesday | 66°F | Chance Rain Showers | 17 mph NE | 26% |
| Tuesday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 15 to 18 mph NE | 22% |
| Wednesday | 66°F | Slight Chance Rain Showers | 20 to 24 mph NE | 15% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 20 to 23 mph NE | 24% |
| Thursday | 66°F | Chance Rain Showers | 22 to 25 mph NE | 33% |
| Thursday Night | 55°F | Chance Rain Showers | 21 to 24 mph NE | 42% |
| Friday | 66°F | Chance Rain Showers | 25 mph NE | 45% |
| Friday Night | 55°F | Chance Rain Showers | 20 to 24 mph N | 45% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Suffolk, NY
Last spring frost
Apr 19
First fall frost
Nov 1
Growing season
196 days
Hardiness zone
7a
Explore more for New Suffolk, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Mattituck, Ny (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.