Lansdowne, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lansdowne, a community in Loudoun County, Virginia.
Tonight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. Southeast wind around 9 mph.
7-day forecast for Lansdowne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Mostly Cloudy | 9 mph SE | 14% |
| Sunday | 84°F | Chance Rain Showers | 8 to 12 mph S | 41% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 8 mph W | 61% |
| Monday | 72°F | Chance Rain Showers | 10 mph NE | 36% |
| Monday Night | 59°F | Chance Rain Showers | 6 to 9 mph NE | 50% |
| Tuesday | 66°F | Rain Showers Likely | 8 to 13 mph NE | 67% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 12 mph NE | 67% |
| Wednesday | 61°F | Chance Rain Showers | 13 mph NE | 50% |
| Wednesday Night | 54°F | Chance Rain Showers | 12 mph NE | 36% |
| Thursday | 61°F | Chance Rain Showers | 13 mph NE | 26% |
| Thursday Night | 52°F | Chance Rain Showers | 6 to 10 mph N | 26% |
| Friday | 67°F | Chance Rain Showers | 13 mph N | 25% |
| Friday Night | 52°F | Slight Chance Rain Showers | 9 to 13 mph N | 24% |
| Saturday | 70°F | Slight Chance Rain Showers | 15 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Lansdowne (39.085, -77.484). Updated through the day.
Growing snapshot for Lansdowne
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
7a
More local growing data for Lansdowne: nearby ZIP 20147 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
Hillsboro
Kincora
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, Wfo Sterling, Va (4.6 mi from Lansdowne). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.