Port Deposit, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Deposit, a town in Cecil County, Maryland.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind around 5 mph.
7-day forecast for Port Deposit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph SE | 16% |
| Wednesday | 83°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph SE | 68% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 43% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 26% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 38% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 40% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 5 mph W | 48% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 40% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph SW | 40% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 16% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 16% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 19% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 mph W | 19% |
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 Aug 4, 2026.