Oak Grove, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a community in Loudoun County, Virginia.
This Afternoon
71°F
Sunny
Sunny, with a high near 71. South wind around 8 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 8 mph S | 2% |
| Tonight | 52°F | Mostly Clear | 6 mph S | 2% |
| Wednesday | 75°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Chance Light Rain | 6 to 9 mph S | 52% |
| Thursday | 75°F | Chance Light Rain | 10 mph S | 44% |
| Thursday Night | 61°F | Chance Light Rain | 2 to 8 mph SW | 49% |
| Friday | 70°F | Rain Likely | 5 mph N | 61% |
| Friday Night | 50°F | Light Rain Likely then Mostly Cloudy | 2 to 6 mph NW | 60% |
| Saturday | 64°F | Mostly Sunny | 7 to 12 mph NW | 10% |
| Saturday Night | 43°F | Partly Cloudy | 8 mph NW | 10% |
| Sunday | 61°F | Mostly Sunny | 5 to 8 mph NW | 6% |
| Sunday Night | 41°F | Partly Cloudy | 3 to 7 mph NW | 14% |
| Monday | 61°F | Mostly Sunny | 7 to 13 mph NW | 14% |
| Monday Night | 40°F | Mostly Clear | 3 to 7 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Oak Grove (38.983, -77.415). Updated through the day.
Growing snapshot for Oak Grove
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
7b
More local growing data for Oak Grove: nearby ZIP 20164 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Aldie
Arcola
Ashburn
Belmont
Brambleton
Broadlands
Cascades
Countryside
Dulles Town Center
Goose Creek Village
Hamilton
Hillsboro
Kincora
Lansdowne
Leesburg
Loudoun Valley Estates
Lovettsville
Lowes Island
Middleburg
Moorefield
One Loudoun
Purcellville
Round Hill
South Riding
Sterling
Stone Ridge
Sugarland Run
University Center
Upperville
Waterford
Climate data from the nearest NOAA station, Wfo Sterling, Va (5.4 mi from Oak Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.