Seaford, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seaford, a city in Sussex County, Delaware.
This Afternoon
85°F
Slight Chance Rain Showers
A slight chance of rain showers before 5pm. Partly sunny, with a high near 85. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seaford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Tonight | 65°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Saturday | 78°F | Partly Sunny | 5 to 10 mph NE | 11% |
| Saturday Night | 66°F | Patchy Fog | 5 to 10 mph E | 1% |
| Sunday | 82°F | Patchy Fog then Mostly Sunny | 5 to 10 mph SE | 7% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 59% |
| Monday | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 50% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 43% |
| Tuesday | 71°F | Chance Rain Showers | 15 mph NE | 48% |
| Tuesday Night | 61°F | Chance Rain Showers | 15 mph NE | 48% |
| Wednesday | 67°F | Chance Rain Showers | 15 mph NE | 47% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 47% |
| Thursday | 67°F | Chance Showers And Thunderstorms | 15 mph NE | 37% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 37% |
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
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Bridgeville
Dagsboro
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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 Sep 18, 2026.