Rosaryville, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rosaryville, a community in Prince George's County, Maryland.
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. South wind around 5 mph.
7-day forecast for Rosaryville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 5 mph S | 1% |
| Wednesday | 75°F | Mostly Sunny | 5 to 9 mph S | 1% |
| Wednesday Night | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph S | 15% |
| Thursday | 75°F | Chance Rain Showers | 10 mph S | 33% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 3 to 7 mph S | 70% |
| Friday | 70°F | Showers And Thunderstorms Likely then Light Rain | 5 mph N | 77% |
| Friday Night | 53°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 53% |
| Saturday | 65°F | Mostly Sunny | 8 to 12 mph NW | 5% |
| Saturday Night | 44°F | Mostly Clear | 10 mph NW | 5% |
| Sunday | 62°F | Mostly Sunny | 7 to 10 mph NW | 2% |
| Sunday Night | 43°F | Mostly Clear | 8 mph W | 6% |
| Monday | 62°F | Sunny | 9 to 14 mph NW | 6% |
| Monday Night | 41°F | Mostly Clear | 5 to 8 mph W | 5% |
| Tuesday | 64°F | Sunny | 6 to 9 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Rosaryville (38.768, -76.828). Updated through the day.
Growing snapshot for Rosaryville
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7b
More local growing data for Rosaryville: nearby ZIP 20623 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Upper Marlboro 3 Nnw, Md (8.6 mi from Rosaryville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.