Prince Frederick, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prince Frederick, a community in Calvert County, Maryland.
Today
84°F
Partly Sunny
Partly sunny, with a high near 84. Northeast wind around 8 mph.
7-day forecast for Prince Frederick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny | 8 mph NE | 12% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph E | 72% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 8 mph SE | 68% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 8 mph S | 28% |
| Thursday | 90°F | Mostly Sunny | 6 to 12 mph S | 11% |
| Thursday Night | 75°F | Mostly Clear | 7 to 10 mph S | 11% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 10 mph SW | 27% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 38% |
| Saturday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 43% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 43% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 21% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 21% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph SW | 15% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 6 mph SW | 16% |
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 Aug 4, 2026.