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Brambleton, VA Weather & Growing Conditions

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

Overnight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. North wind around 7 mph.

7-day forecast for Brambleton

WhenTempForecastWindPrecip
Overnight 60°F Partly Cloudy 7 mph N 0%
Saturday 78°F Partly Sunny 3 to 7 mph NE 8%
Saturday Night 64°F Mostly Cloudy 8 mph SE 14%
Sunday 83°F Chance Showers And Thunderstorms 8 to 13 mph S 43%
Sunday Night 61°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 12 mph NW 70%
Monday 69°F Chance Rain Showers 7 to 12 mph N 40%
Monday Night 56°F Chance Rain Showers 6 to 9 mph NE 48%
Tuesday 63°F Rain Showers Likely 12 mph NE 65%
Tuesday Night 52°F Rain Showers Likely 13 mph NE 65%
Wednesday 60°F Chance Rain Showers 13 mph NE 54%
Wednesday Night 53°F Chance Showers And Thunderstorms 13 mph NE 49%
Thursday 61°F Chance Showers And Thunderstorms 13 mph NE 44%
Thursday Night 51°F Chance Showers And Thunderstorms 7 to 10 mph N 40%
Friday 66°F Slight Chance Rain Showers 12 mph N 20%

Forecast source: National Weather Service (api.weather.gov) for Brambleton (38.980, -77.533). Updated through the day.

Growing snapshot for Brambleton

Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
7a

More local growing data for Brambleton: nearby ZIP 20148 weather · frost dates · planting calendar · Virginia frost dates

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Climate data from the nearest NOAA station, Wfo Sterling, Va (2.7 mi from Brambleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.