Millsboro, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millsboro, a town in Sussex County, Delaware.
This Afternoon
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 67 in the afternoon. South wind around 5 mph.
7-day forecast for Millsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 5 mph S | 1% |
| Tonight | 50°F | Partly Cloudy then Patchy Fog | 0 to 5 mph S | 2% |
| Wednesday | 76°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SE | 1% |
| Wednesday Night | 58°F | Partly Cloudy | 5 mph S | 1% |
| Thursday | 77°F | Partly Sunny | 5 to 10 mph S | 12% |
| Thursday Night | 62°F | Slight Chance T-storms | 5 mph S | 67% |
| Friday | 73°F | Light Rain | 5 to 10 mph S | 82% |
| Friday Night | 53°F | Light Rain | 0 to 5 mph W | 82% |
| Saturday | 68°F | Chance Light Rain | 5 to 10 mph NW | 44% |
| Saturday Night | 44°F | Slight Chance Light Rain then Partly Cloudy | 0 to 5 mph NW | 17% |
| Sunday | 64°F | Mostly Sunny | 5 mph NW | 5% |
| Sunday Night | 44°F | Partly Cloudy then Slight Chance Light Rain | 0 to 5 mph NW | 19% |
| Monday | 61°F | Chance Light Rain | 5 to 15 mph NW | 30% |
| Monday Night | 41°F | Chance Light Rain | 5 to 10 mph NW | 28% |
Forecast source: National Weather Service (api.weather.gov) for Millsboro (38.589, -75.310). Updated through the day.
Growing snapshot for Millsboro
Last spring frost
Apr 4
First fall frost
Nov 6
Growing season
217 days
Hardiness zone
7b
More local growing data for Millsboro: nearby ZIP 19966 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
Millville
Milton
Ocean View
Rehoboth Beach
Seaford
Selbyville
Slaughter Beach
South Bethany
Climate data from the nearest NOAA station, Georgetown Sussex Co Ap, De (8.8 mi from Millsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.