Southold, NY Weather & Growing Conditions
Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy | 3 mph E | 13% |
| Wednesday | 81°F | Mostly Sunny | 5 mph SW | 11% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 19% |
| Thursday | 85°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph SW | 15% |
| Friday | 86°F | Sunny | 5 to 8 mph SW | 11% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 19% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 17% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 22% |
| Sunday | 84°F | Mostly Sunny | 7 mph SW | 13% |
| Sunday Night | 73°F | Mostly Clear | 7 mph SW | 8% |
| Monday | 85°F | Sunny | 5 to 9 mph SW | 7% |
| Monday Night | 72°F | Mostly Clear | 5 to 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Southold, NY
Last spring frost
Apr 19
First fall frost
Nov 1
Growing season
196 days
Hardiness zone
7b
Explore more for Southold, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Mattituck, Ny (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.