Harman US

Bull Run, VA Weather & Growing Conditions

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

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 5 mph SE 2%
Wednesday 76°F Mostly Sunny 3 to 10 mph S 2%
Wednesday Night 62°F Mostly Cloudy then Chance Light Rain 6 to 9 mph S 46%
Thursday 77°F Chance Light Rain 8 to 12 mph S 36%
Thursday Night 61°F Chance Light Rain 1 to 7 mph SW 52%
Friday 71°F Rain Likely 5 mph N 66%
Friday Night 51°F Light Rain Likely 1 to 6 mph NW 66%
Saturday 66°F Mostly Sunny 7 to 10 mph NW 12%
Saturday Night 43°F Partly Cloudy 5 to 8 mph NW 12%
Sunday 63°F Mostly Sunny 7 mph NW 5%
Sunday Night 41°F Partly Cloudy then Slight Chance Light Rain 6 mph NW 18%
Monday 63°F Slight Chance Light Rain 6 to 14 mph NW 22%
Monday Night 39°F Slight Chance Light Rain 3 to 8 mph W 22%
Tuesday 66°F Sunny 6 to 10 mph W 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bull Run, VA

Last spring frost
Apr 12
First fall frost
Oct 27
Growing season
197 days
Hardiness zone
7a

Explore more for Bull Run, VA: full frost dates · planting calendar · Virginia frost dates

Climate data from the nearest NOAA station, Manassas, Va (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.