Rockville, MD Weather & Growing Conditions
Tonight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. Southeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Mostly Cloudy | 9 mph SE | 9% |
| Sunday | 83°F | Chance Rain Showers | 8 to 12 mph S | 48% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 9 mph W | 65% |
| Monday | 73°F | Chance Rain Showers | 8 to 12 mph NE | 38% |
| Monday Night | 59°F | Chance Rain Showers | 9 mph NE | 47% |
| Tuesday | 66°F | Showers And Thunderstorms Likely | 9 to 14 mph NE | 58% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 12 mph NE | 58% |
| Wednesday | 63°F | Chance Rain Showers | 13 mph NE | 49% |
| Wednesday Night | 54°F | Chance Rain Showers | 12 mph NE | 34% |
| Thursday | 63°F | Chance Rain Showers | 13 mph NE | 27% |
| Thursday Night | 52°F | Chance Rain Showers | 6 to 9 mph N | 25% |
| Friday | 67°F | Slight Chance Rain Showers | 12 mph N | 23% |
| Friday Night | 52°F | Slight Chance Rain Showers | 6 to 10 mph N | 20% |
| Saturday | 70°F | Slight Chance Rain Showers | 12 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockville, MD
Last spring frost
Apr 1
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b
Explore more for Rockville, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Rockville 1 Ne, Md (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.