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Lorton, VA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lorton, a community in Fairfax County, Virginia.

This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. Southeast wind around 6 mph.

7-day forecast for Lorton

WhenTempForecastWindPrecip
This Afternoon 72°F Sunny 6 mph SE 2%
Tonight 53°F Mostly Clear then Patchy Fog 5 mph S 2%
Wednesday 75°F Patchy Fog then Mostly Sunny 3 to 10 mph S 2%
Wednesday Night 62°F Mostly Cloudy then Chance Light Rain 8 mph S 32%
Thursday 76°F Chance Light Rain 10 mph S 30%
Thursday Night 63°F Light Rain Likely 3 to 7 mph S 59%
Friday 71°F Rain Likely 2 to 6 mph NW 72%
Friday Night 53°F Light Rain Likely 2 to 7 mph NW 71%
Saturday 66°F Mostly Sunny 10 mph NW 12%
Saturday Night 45°F Mostly Clear 8 mph NW 12%
Sunday 63°F Mostly Sunny 5 to 8 mph W 5%
Sunday Night 44°F Partly Cloudy then Slight Chance Light Rain 7 mph NW 18%
Monday 63°F Slight Chance Light Rain 8 to 14 mph W 22%
Monday Night 42°F Slight Chance Light Rain 5 to 9 mph W 22%

Forecast source: National Weather Service (api.weather.gov) for Lorton (38.699, -77.217). Updated through the day.

Growing snapshot for Lorton

Last spring frost
Mar 28
First fall frost
Nov 8
Growing season
226 days
Hardiness zone
7b

More local growing data for Lorton: nearby ZIP 22079 weather · frost dates · planting calendar · Virginia frost dates

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Climate data from the nearest NOAA station, Quantico Mcas, Va (13.2 mi from Lorton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.