Lorton, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lorton, a community in Fairfax County, Virginia.
This Afternoon
86°F
Partly Sunny
Partly sunny, with a high near 86. North wind around 10 mph.
7-day forecast for Lorton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 64°F | Mostly Cloudy | 6 to 9 mph N | 10% |
| Saturday | 80°F | Partly Sunny | 8 mph NE | 10% |
| Saturday Night | 68°F | Mostly Cloudy | 7 mph SE | 10% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 13 mph S | 38% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 5 to 9 mph W | 60% |
| Monday | 77°F | Chance Rain Showers | 7 to 10 mph NE | 42% |
| Monday Night | 64°F | Rain Showers Likely | 6 to 10 mph NE | 56% |
| Tuesday | 68°F | Rain Showers Likely | 10 to 14 mph NE | 61% |
| Tuesday Night | 59°F | Rain Showers Likely | 10 to 14 mph NE | 61% |
| Wednesday | 64°F | Chance Rain Showers | 14 mph NE | 51% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 50% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 12 mph NE | 49% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 34% |
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 Sep 18, 2026.