Harman US

Lansdowne, VA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lansdowne, a community in Loudoun County, Virginia.

Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southeast wind around 5 mph.

7-day forecast for Lansdowne

WhenTempForecastWindPrecip
Overnight 51°F Mostly Clear 5 mph SE 1%
Wednesday 74°F Mostly Sunny 5 to 12 mph S 1%
Wednesday Night 61°F Mostly Cloudy then Rain Showers Likely 6 to 9 mph S 55%
Thursday 75°F Chance Rain Showers 8 to 12 mph S 47%
Thursday Night 60°F Chance Rain Showers 1 to 8 mph SW 47%
Friday 70°F Chance Light Rain 5 mph N 47%
Friday Night 49°F Slight Chance Light Rain then Partly Cloudy 2 to 7 mph NW 24%
Saturday 64°F Mostly Sunny 7 to 15 mph NW 6%
Saturday Night 41°F Partly Cloudy 8 to 13 mph NW 6%
Sunday 61°F Mostly Sunny 8 to 13 mph NW 2%
Sunday Night 40°F Mostly Clear 5 to 8 mph NW 5%
Monday 61°F Sunny 8 to 15 mph NW 5%
Monday Night 38°F Mostly Clear 2 to 8 mph W 4%
Tuesday 65°F Sunny 3 to 9 mph W 2%

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

All Virginia locations ›

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 Nov 4, 2026.