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Lansdowne, VA Weather & Growing Conditions

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

This Afternoon
78°F
Mostly Cloudy
Mostly cloudy, with a high near 78. East wind around 6 mph.

7-day forecast for Lansdowne

WhenTempForecastWindPrecip
This Afternoon 78°F Mostly Cloudy 6 mph E 9%
Tonight 65°F Mostly Cloudy then Slight Chance Rain Showers 8 mph SE 16%
Sunday 84°F Chance Rain Showers 8 to 13 mph S 43%
Sunday Night 60°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 12 mph NW 70%
Monday 70°F Chance Rain Showers 8 to 12 mph N 40%
Monday Night 56°F Chance Rain Showers 8 mph NE 47%
Tuesday 64°F Rain Showers Likely 9 to 13 mph NE 65%
Tuesday Night 52°F Rain Showers Likely 13 mph NE 65%
Wednesday 60°F Chance Rain Showers 13 mph NE 53%
Wednesday Night 53°F Chance Showers And Thunderstorms 13 mph NE 47%
Thursday 62°F Chance Showers And Thunderstorms 13 mph NE 45%
Thursday Night 51°F Chance Showers And Thunderstorms 6 to 10 mph N 39%
Friday 67°F Slight Chance Rain Showers 12 mph N 20%
Friday Night 51°F Mostly Cloudy 6 to 10 mph N 14%

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

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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 19, 2026.