Port Deposit, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Deposit, a town in Cecil County, Maryland.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. North wind around 10 mph.
7-day forecast for Port Deposit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 10 mph N | 2% |
| Tonight | 58°F | Partly Cloudy | 10 mph N | 2% |
| Saturday | 76°F | Mostly Sunny | 10 mph E | 5% |
| Saturday Night | 63°F | Mostly Cloudy then Scattered Rain Showers | 9 mph SE | 30% |
| Sunday | 78°F | Rain Showers Likely | 8 to 15 mph S | 60% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 7 to 10 mph W | 73% |
| Monday | 71°F | Chance Rain Showers | 12 mph NE | 41% |
| Monday Night | 58°F | Chance Rain Showers | 6 to 10 mph NE | 41% |
| Tuesday | 64°F | Chance Rain Showers | 13 mph NE | 46% |
| Tuesday Night | 54°F | Chance Rain Showers | 9 to 13 mph NE | 46% |
| Wednesday | 62°F | Chance Rain Showers | 13 mph NE | 42% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 12 mph NE | 41% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 12 mph NE | 38% |
| Thursday Night | 53°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Port Deposit (39.611, -76.098). Updated through the day.
Growing snapshot for Port Deposit
Last spring frost
Apr 3
First fall frost
Nov 6
Growing season
217 days
Hardiness zone
7a
More local growing data for Port Deposit: nearby ZIP 21904 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Conowingo Dam, Md (6.3 mi from Port Deposit). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.