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

7-day forecast for Brambleton

WhenTempForecastWindPrecip
Overnight 51°F Mostly Clear 5 mph S 1%
Wednesday 74°F Mostly Sunny 5 to 12 mph S 1%
Wednesday Night 61°F Mostly Cloudy then Chance Rain Showers 6 to 9 mph S 51%
Thursday 75°F Chance Rain Showers 8 to 12 mph S 44%
Thursday Night 60°F Chance Rain Showers 2 to 8 mph SW 49%
Friday 70°F Chance Light Rain 5 mph N 48%
Friday Night 50°F Chance Light Rain then Partly Cloudy 2 to 8 mph NW 25%
Saturday 64°F Mostly Sunny 8 to 14 mph NW 7%
Saturday Night 42°F Mostly Clear 9 to 13 mph NW 5%
Sunday 61°F Mostly Sunny 8 to 13 mph NW 2%
Sunday Night 41°F Mostly Clear 8 mph NW 5%
Monday 61°F Sunny 8 to 15 mph NW 5%
Monday Night 38°F Mostly Clear 2 to 7 mph W 4%
Tuesday 65°F Sunny 3 to 8 mph SW 2%

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 Nov 4, 2026.