Ashton-Sandy Spring, MD Weather & Growing Conditions
Today
78°F
Partly Sunny
Partly sunny, with a high near 78. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Partly Sunny | 6 mph E | 4% |
| Tonight | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph SE | 20% |
| Sunday | 83°F | Chance Rain Showers | 6 to 10 mph S | 36% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 2 to 10 mph W | 68% |
| Monday | 70°F | Chance Rain Showers | 7 to 10 mph NE | 34% |
| Monday Night | 54°F | Chance Rain Showers | 6 to 9 mph NE | 43% |
| Tuesday | 63°F | Rain Showers Likely | 13 mph NE | 58% |
| Tuesday Night | 52°F | Rain Showers Likely | 14 mph NE | 57% |
| Wednesday | 60°F | Chance Rain Showers | 14 mph NE | 45% |
| Wednesday Night | 52°F | Chance Rain Showers | 13 mph NE | 45% |
| Thursday | 62°F | Chance Rain Showers | 14 mph NE | 45% |
| Thursday Night | 51°F | Chance Rain Showers | 6 to 10 mph N | 36% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 17% |
| Friday Night | 51°F | Slight Chance Rain Showers | 5 to 8 mph N | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ashton-Sandy Spring, MD
Last spring frost
Apr 1
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b
Explore more for Ashton-Sandy Spring, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Rockville 1 Ne, Md (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.