Seaford, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seaford, a city in Sussex County, Delaware.
Today
84°F
Partly Sunny
Partly sunny, with a high near 84. East wind around 5 mph.
7-day forecast for Seaford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny | 5 mph E | 7% |
| Tonight | 70°F | Mostly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph E | 42% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 55% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 24% |
| Thursday | 89°F | Sunny | 5 to 10 mph SW | 7% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph S | 7% |
| Friday | 89°F | Sunny | 5 to 10 mph SW | 13% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Saturday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 23% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 23% |
| Monday | 91°F | Sunny | 0 to 5 mph SW | 7% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 17% |
Forecast source: National Weather Service (api.weather.gov) for Seaford (38.657, -75.613). Updated through the day.
Growing snapshot for Seaford
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
200 days
Hardiness zone
7b
More local growing data for Seaford: nearby ZIP 19973 weather · frost dates · planting calendar · Delaware frost dates
Nearby towns & communities
Bethany Beach
Bethel
Blades
Bridgeville
Dagsboro
Delmar
Dewey Beach
Ellendale
Farmington
Fenwick Island
Frankford
Georgetown
Greenwood
Henlopen Acres
Laurel
Lewes
Lincoln
Long Neck
Milford
Millsboro
Millville
Milton
Ocean View
Rehoboth Beach
Selbyville
Slaughter Beach
South Bethany
Climate data from the nearest NOAA station, Greenwood 2Ne, De (12.8 mi from Seaford). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.