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
84°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. East wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Deal Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Cloudy then Chance Showers And Thunderstorms | 9 mph E | 29% |
| Tonight | 74°F | Slight Chance Showers And Thunderstorms | 9 mph E | 59% |
| Wednesday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 13 mph S | 53% |
| Wednesday Night | 77°F | Slight Chance Rain Showers | 13 mph S | 16% |
| Thursday | 88°F | Sunny | 12 to 15 mph S | 10% |
| Thursday Night | 78°F | Mostly Clear | 15 mph S | 6% |
| Friday | 89°F | Sunny | 14 mph SW | 9% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 13 mph SW | 35% |
| Saturday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 13 mph SW | 24% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 35% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 9 mph SW | 18% |
| Sunday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 9 mph SW | 18% |
| Monday | 90°F | Sunny | 8 mph SW | 9% |
| Monday Night | 78°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 18% |
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 Aug 4, 2026.