Prince Frederick, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prince Frederick, a community in Calvert County, Maryland.
Tonight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. Northeast wind around 10 mph.
7-day forecast for Prince Frederick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Mostly Cloudy | 10 mph NE | 2% |
| Saturday | 80°F | Partly Sunny | 10 mph NE | 10% |
| Saturday Night | 67°F | Mostly Cloudy | 7 to 10 mph SE | 10% |
| Sunday | 83°F | Mostly Sunny then Slight Chance Rain Showers | 7 to 13 mph S | 15% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 6 to 12 mph W | 57% |
| Monday | 77°F | Chance Rain Showers | 8 to 12 mph N | 48% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 49% |
| Tuesday | 71°F | Chance Rain Showers | 14 to 20 mph NE | 54% |
| Tuesday Night | 60°F | Chance Rain Showers | 14 to 18 mph NE | 54% |
| Wednesday | 67°F | Chance Rain Showers | 15 to 18 mph NE | 50% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 13 to 18 mph NE | 50% |
| Thursday | 67°F | Chance Showers And Thunderstorms | 15 to 18 mph NE | 40% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 8 to 16 mph N | 34% |
| Friday | 71°F | Chance Rain Showers | 12 to 16 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Prince Frederick (38.544, -76.588). Updated through the day.
Growing snapshot for Prince Frederick
Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
195 days
Hardiness zone
7b
More local growing data for Prince Frederick: nearby ZIP 20678 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Broomes Island
Calvert Beach
Chesapeake Ranch Estates
Drum Point
Dunkirk
Huntingtown
Long Beach
Lusby
Owings
Solomons
St. Leonard
Climate data from the nearest NOAA station, Mechanicsville 5 Ne, Md (7.4 mi from Prince Frederick). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.