Harman US

South Riding, VA Weather & Growing Conditions

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

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 5 mph S 2%
Wednesday 75°F Mostly Sunny 5 to 12 mph S 2%
Wednesday Night 62°F Mostly Cloudy then Chance Light Rain 7 to 10 mph S 52%
Thursday 76°F Chance Light Rain 12 mph S 40%
Thursday Night 61°F Chance Light Rain 2 to 8 mph SW 50%
Friday 70°F Rain Likely 5 mph N 62%
Friday Night 50°F Light Rain Likely 2 to 7 mph NW 62%
Saturday 65°F Mostly Sunny 8 to 12 mph NW 11%
Saturday Night 43°F Partly Cloudy 6 to 9 mph NW 11%
Sunday 62°F Mostly Sunny 5 to 8 mph NW 5%
Sunday Night 41°F Partly Cloudy then Slight Chance Light Rain 5 to 8 mph NW 18%
Monday 62°F Slight Chance Light Rain 8 to 15 mph NW 21%
Monday Night 39°F Slight Chance Light Rain 5 to 9 mph W 21%
Tuesday 65°F Sunny 6 to 12 mph W 10%

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

Growing snapshot for South Riding, VA

Last spring frost
Apr 15
First fall frost
Oct 24
Growing season
194 days
Hardiness zone
7a

Explore more for South Riding, VA: full frost dates · planting calendar · Virginia frost dates

Climate data from the nearest NOAA station, Washington Dc Dulles Ap, Va (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.