Delmar, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delmar, a town in Sussex County, Delaware.
This Afternoon
86°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 86. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Delmar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Slight Chance Rain Showers | 5 mph NE | 20% |
| Tonight | 66°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Saturday | 78°F | Partly Sunny | 5 to 10 mph NE | 12% |
| 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 | 5% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Monday | 76°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 51% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 43% |
| Tuesday | 72°F | Chance Rain Showers | 15 to 20 mph NE | 48% |
| Tuesday Night | 62°F | Chance Rain Showers | 15 to 20 mph NE | 48% |
| Wednesday | 68°F | Chance Rain Showers | 15 to 20 mph NE | 47% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 15 to 20 mph NE | 47% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 15 mph NE | 38% |
| Thursday Night | 58°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 15 mph N | 38% |
Forecast source: National Weather Service (api.weather.gov) for Delmar (38.472, -75.544). Updated through the day.
Growing snapshot for Delmar
Last spring frost
Apr 2
First fall frost
Nov 10
Growing season
222 days
Hardiness zone
7b
More local growing data for Delmar: nearby ZIP 19940 weather · frost dates · planting calendar · Delaware frost dates
Nearby towns & communities
Bethany Beach
Bethel
Blades
Bridgeville
Dagsboro
Dewey Beach
Ellendale
Farmington
Fenwick Island
Frankford
Georgetown
Greenwood
Henlopen Acres
Laurel
Lewes
Lincoln
Long Neck
Milford
Millsboro
Millville
Milton
Ocean View
Rehoboth Beach
Seaford
Selbyville
Slaughter Beach
South Bethany
Climate data from the nearest NOAA station, Salisbury 2N, Md (5 mi from Delmar). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.