Lake Barcroft, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Barcroft, a community in Fairfax County, Virginia.
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. South wind 5 to 9 mph.
7-day forecast for Lake Barcroft
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 9 mph S | 1% |
| Tonight | 62°F | Mostly Cloudy then Chance Rain Showers | 8 mph S | 30% |
| Thursday | 74°F | Chance Rain Showers | 10 mph S | 38% |
| Thursday Night | 62°F | Rain Showers Likely | 3 to 7 mph SW | 60% |
| Friday | 70°F | Light Rain Likely | 5 mph N | 64% |
| Friday Night | 52°F | Chance Light Rain then Partly Cloudy | 2 to 8 mph NW | 38% |
| Saturday | 63°F | Mostly Sunny | 9 to 13 mph NW | 5% |
| Saturday Night | 44°F | Mostly Clear | 12 mph NW | 5% |
| Sunday | 61°F | Mostly Sunny | 6 to 10 mph NW | 1% |
| Sunday Night | 43°F | Mostly Clear | 8 mph NW | 5% |
| Monday | 61°F | Sunny | 8 to 14 mph NW | 5% |
| Monday Night | 41°F | Mostly Clear | 3 to 8 mph W | 4% |
| Tuesday | 65°F | Sunny | 5 to 9 mph SW | 2% |
| Tuesday Night | 44°F | Mostly Clear | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lake Barcroft (38.852, -77.159). Updated through the day.
Growing snapshot for Lake Barcroft
Last spring frost
Apr 9
First fall frost
Oct 31
Growing season
202 days
Hardiness zone
7b
More local growing data for Lake Barcroft: nearby ZIP 22044 weather · frost dates · planting calendar · Virginia frost dates
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Climate data from the nearest NOAA station, Dalecarlia Rsvr, Md (5.7 mi from Lake Barcroft). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.