Rosaryville, MD Weather & Growing Conditions
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°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 | 76°F | Chance Rain Showers | 10 mph S | 32% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 3 to 7 mph S | 71% |
| Friday | 71°F | Showers And Thunderstorms Likely then Light Rain | 5 mph N | 78% |
| Friday Night | 53°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 53% |
| Saturday | 66°F | Mostly Sunny | 8 to 13 mph NW | 5% |
| Saturday Night | 44°F | Mostly Clear | 10 mph NW | 4% |
| 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 | 8 to 14 mph NW | 6% |
| Monday Night | 41°F | Mostly Clear | 3 to 8 mph W | 5% |
| Tuesday | 65°F | Sunny | 6 to 10 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rosaryville, MD
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7b
Explore more for Rosaryville, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Upper Marlboro 3 Nnw, Md (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.