Deal Island, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deal Island, a community in Somerset County, Maryland.
Today
80°F
Partly Sunny
Partly sunny, with a high near 80. East wind 7 to 12 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Deal Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny | 7 to 12 mph E | 12% |
| Tonight | 70°F | Partly Cloudy | 14 mph E | 10% |
| Sunday | 81°F | Mostly Sunny | 14 mph S | 4% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 8 to 14 mph SW | 41% |
| Monday | 77°F | Chance Rain Showers | 10 to 15 mph N | 41% |
| Monday Night | 67°F | Chance Rain Showers | 16 mph NE | 38% |
| Tuesday | 75°F | Chance Rain Showers | 16 to 22 mph NE | 46% |
| Tuesday Night | 65°F | Chance Rain Showers | 22 mph NE | 46% |
| Wednesday | 73°F | Chance Rain Showers | 23 mph NE | 43% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 20 to 23 mph NE | 41% |
| Thursday | 72°F | Chance Showers And Thunderstorms | 23 mph NE | 41% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms | 17 to 23 mph N | 39% |
| Friday | 72°F | Slight Chance Rain Showers | 18 mph N | 21% |
| Friday Night | 60°F | Slight Chance Rain Showers | 17 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov) for Deal Island (38.153, -75.940). Updated through the day.
Growing snapshot for Deal Island
Last spring frost
Apr 3
First fall frost
Nov 7
Growing season
217 days
Hardiness zone
8a
More local growing data for Deal Island: nearby ZIP 21821 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Salisbury, Md (22.5 mi from Deal Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.