Green Valley, MD Weather & Growing Conditions
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind 6 to 10 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 6 to 10 mph S | 1% |
| Tonight | 62°F | Mostly Cloudy then Rain Showers Likely | 6 to 9 mph S | 58% |
| Thursday | 73°F | Rain Showers Likely | 6 to 10 mph S | 57% |
| Thursday Night | 60°F | Chance Rain Showers | 1 to 6 mph W | 52% |
| Friday | 69°F | Chance Light Rain | 3 mph N | 52% |
| Friday Night | 47°F | Chance Light Rain then Partly Cloudy | 3 mph NW | 27% |
| Saturday | 61°F | Mostly Sunny | 5 to 13 mph NW | 8% |
| Saturday Night | 39°F | Partly Cloudy | 6 to 9 mph W | 8% |
| Sunday | 59°F | Mostly Sunny | 7 to 12 mph NW | 2% |
| Sunday Night | 37°F | Mostly Clear | 6 mph W | 3% |
| Monday | 60°F | Sunny | 6 to 15 mph W | 5% |
| Monday Night | 36°F | Mostly Clear | 2 to 7 mph W | 5% |
| Tuesday | 64°F | Sunny | 3 to 10 mph W | 2% |
| Tuesday Night | 38°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Green Valley, MD
Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
196 days
Hardiness zone
7a
Explore more for Green Valley, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Damascus 3 Ssw, Md (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.