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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.

Tonight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. Southeast wind around 9 mph.

7-day forecast for Lansdowne

WhenTempForecastWindPrecip
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

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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 20, 2026.