One Loudoun, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for One Loudoun, a community in Loudoun County, Virginia.
This Afternoon
84°F
Sunny
Sunny, with a high near 84. North wind around 10 mph.
7-day forecast for One Loudoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 10 mph N | 10% |
| Tonight | 59°F | Mostly Cloudy | 9 mph N | 10% |
| Saturday | 78°F | Partly Sunny | 8 mph NE | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Isolated Rain Showers | 7 mph SE | 20% |
| Sunday | 82°F | Rain Showers Likely | 7 to 13 mph S | 56% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 5 to 9 mph NW | 66% |
| Monday | 73°F | Chance Rain Showers | 8 to 12 mph NE | 40% |
| Monday Night | 60°F | Rain Showers Likely | 7 to 10 mph NE | 57% |
| Tuesday | 65°F | Rain Showers Likely | 12 mph NE | 61% |
| Tuesday Night | 55°F | Rain Showers Likely | 12 mph NE | 61% |
| Wednesday | 61°F | Rain Showers Likely | 12 mph NE | 55% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 10 mph NE | 52% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 10 mph N | 51% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 36% |
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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Leesburg
Loudoun Valley Estates
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Middleburg
Moorefield
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Round Hill
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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 Sep 19, 2026.