Round Hill, VA Weather & Growing Conditions
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 3 to 7 mph E | 1% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph E | 60% |
| Wednesday | 84°F | Rain Showers Likely | 3 to 8 mph SE | 62% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 8 mph S | 40% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 12 mph S | 40% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 to 10 mph SW | 40% |
| Friday | 89°F | Mostly Sunny then Showers And Thunderstorms Likely | 3 to 7 mph SW | 62% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 62% |
| Saturday | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 2 to 6 mph SW | 58% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 58% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 18% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 18% |
| Monday | 91°F | Mostly Sunny | 3 to 9 mph W | 11% |
| Monday Night | 71°F | Partly Cloudy | 3 to 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Round Hill, VA
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
189 days
Hardiness zone
7a
Explore more for Round Hill, VA: full frost dates · planting calendar · Virginia frost dates
Climate data from the nearest NOAA station, Purcellville, Va (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.