One Loudoun, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for One Loudoun, a community in Loudoun County, Virginia.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 3 mph.
7-day forecast for One Loudoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 3 mph S | 1% |
| Wednesday | 76°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 | 74°F | Chance Rain Showers | 8 to 12 mph S | 45% |
| Thursday Night | 59°F | Chance Rain Showers | 2 to 8 mph SW | 49% |
| Friday | 70°F | Chance Light Rain | 5 mph N | 48% |
| Friday Night | 48°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 25% |
| Saturday | 62°F | Mostly Sunny | 7 to 15 mph NW | 6% |
| Saturday Night | 40°F | Partly Cloudy | 8 to 12 mph NW | 5% |
| Sunday | 60°F | Mostly Sunny | 8 to 13 mph NW | 1% |
| Sunday Night | 39°F | Mostly Clear | 5 to 8 mph NW | 5% |
| Monday | 61°F | Sunny | 8 to 15 mph NW | 5% |
| Monday Night | 36°F | Mostly Clear | 2 to 8 mph W | 4% |
| Tuesday | 65°F | Sunny | 2 to 9 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for One Loudoun (39.050, -77.455). Updated through the day.
Growing snapshot for One Loudoun
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
7a
More local growing data for One Loudoun: nearby ZIP 20147 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
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Ashburn
Belmont
Brambleton
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Countryside
Dulles Town Center
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Hamilton
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Kincora
Lansdowne
Leesburg
Loudoun Valley Estates
Lovettsville
Lowes Island
Middleburg
Moorefield
Oak Grove
Purcellville
Round Hill
South Riding
Sterling
Stone Ridge
Sugarland Run
University Center
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Climate data from the nearest NOAA station, Wfo Sterling, Va (4.6 mi from One Loudoun). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.