Rosaryville, MD Weather & Growing Conditions
Overnight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. Northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 8 mph NE | 0% |
| Saturday | 79°F | Mostly Sunny | 8 mph NE | 4% |
| Saturday Night | 65°F | Mostly Cloudy | 7 mph SE | 13% |
| Sunday | 84°F | Slight Chance Rain Showers | 5 to 12 mph S | 17% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 3 to 9 mph W | 70% |
| Monday | 73°F | Chance Rain Showers | 10 mph NE | 39% |
| Monday Night | 59°F | Chance Rain Showers | 7 to 10 mph NE | 38% |
| Tuesday | 68°F | Chance Rain Showers | 12 to 16 mph NE | 52% |
| Tuesday Night | 56°F | Chance Rain Showers | 13 to 16 mph NE | 52% |
| Wednesday | 64°F | Chance Rain Showers | 17 mph NE | 44% |
| Wednesday Night | 56°F | Chance Rain Showers | 13 to 16 mph NE | 45% |
| Thursday | 65°F | Chance Rain Showers | 16 mph NE | 45% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 9 to 15 mph N | 38% |
| Friday | 69°F | Slight Chance Rain Showers | 13 mph N | 21% |
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 Sep 19, 2026.