Hillsboro, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a town in Loudoun County, Virginia.
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. South wind 7 to 14 mph, with gusts as high as 22 mph.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 7 to 14 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy then Rain Showers Likely | 7 to 13 mph S | 67% |
| Thursday | 74°F | Chance Rain Showers | 12 mph S | 53% |
| Thursday Night | 59°F | Chance Rain Showers | 2 to 8 mph W | 42% |
| Friday | 69°F | Chance Light Rain | 5 mph N | 43% |
| Friday Night | 49°F | Slight Chance Light Rain then Partly Cloudy | 2 to 9 mph NW | 19% |
| Saturday | 61°F | Mostly Sunny | 9 to 16 mph NW | 7% |
| Saturday Night | 42°F | Partly Cloudy | 13 to 16 mph NW | 5% |
| Sunday | 59°F | Mostly Sunny | 10 to 15 mph NW | 2% |
| Sunday Night | 41°F | Mostly Clear | 9 to 13 mph W | 3% |
| Monday | 60°F | Sunny | 12 to 17 mph W | 4% |
| Monday Night | 38°F | Mostly Clear | 5 to 9 mph W | 4% |
| Tuesday | 64°F | Sunny | 6 to 12 mph W | 2% |
| Tuesday Night | 41°F | Mostly Clear | 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hillsboro (39.200, -77.723). Updated through the day.
Growing snapshot for Hillsboro
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
189 days
Hardiness zone
7a
More local growing data for Hillsboro: nearby ZIP 20132 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Aldie
Arcola
Ashburn
Belmont
Brambleton
Broadlands
Cascades
Countryside
Dulles Town Center
Goose Creek Village
Hamilton
Kincora
Lansdowne
Leesburg
Loudoun Valley Estates
Lovettsville
Lowes Island
Middleburg
Moorefield
Oak Grove
One Loudoun
Purcellville
Round Hill
South Riding
Sterling
Stone Ridge
Sugarland Run
University Center
Upperville
Waterford
Climate data from the nearest NOAA station, Purcellville, Va (1.9 mi from Hillsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.