Seaford, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seaford, a community in Nassau County, New York.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind 3 to 7 mph.
7-day forecast for Seaford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy | 2 to 6 mph E | 4% |
| Wednesday | 84°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph E | 20% |
| Wednesday Night | 73°F | Slight Chance Rain Showers | 5 to 8 mph S | 20% |
| Thursday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 14 mph S | 16% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 14 mph SW | 25% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 21% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 35% |
| Saturday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 9 mph SW | 30% |
| Sunday | 89°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Sunday Night | 74°F | Mostly Clear | 5 to 9 mph SW | 11% |
| Monday | 90°F | Sunny | 5 to 12 mph SW | 10% |
| Monday Night | 73°F | Slight Chance Rain Showers | 6 to 10 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov) for Seaford (40.666, -73.493). Updated through the day.
Growing snapshot for Seaford
Last spring frost
Apr 3
First fall frost
Nov 11
Growing season
221 days
Hardiness zone
7b
More local growing data for Seaford: nearby ZIP 11783 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Albertson
Atlantic Beach
Baldwin
Barnum Island
Baxter Estates
Bay Park
Bayville
Bellerose
Bellmore
Bethpage
Brookville
Carle Place
Cedarhurst
Centre Island
Cove Neck
East Atlantic Beach
East Hills
East Massapequa
East Meadow
East Norwich
East Rockaway
East Williston
Elmont
Floral Park
Flower Hill
Franklin Square
Freeport
Garden City
Garden City Park
Garden City South
Climate data from the nearest NOAA station, Wantagh Cedar Creek, Ny (1.8 mi from Seaford). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.