Fair Lakes, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fair Lakes, a community in Fairfax County, Virginia.
This Afternoon
84°F
Sunny
Sunny, with a high near 84. North wind around 10 mph.
7-day forecast for Fair Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 10 mph N | 10% |
| Tonight | 62°F | Mostly Cloudy | 9 mph N | 10% |
| Saturday | 78°F | Partly Sunny | 8 mph E | 10% |
| Saturday Night | 67°F | Mostly Cloudy | 8 mph SE | 10% |
| Sunday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 13 mph S | 45% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 5 to 9 mph W | 61% |
| Monday | 74°F | Chance Rain Showers | 10 mph NE | 41% |
| Monday Night | 62°F | Rain Showers Likely | 6 to 10 mph NE | 58% |
| Tuesday | 66°F | Rain Showers Likely | 12 mph NE | 62% |
| Tuesday Night | 57°F | Rain Showers Likely | 12 mph NE | 62% |
| Wednesday | 62°F | Chance Rain Showers | 12 mph NE | 54% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 10 mph NE | 51% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 mph N | 51% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 8 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Fair Lakes (38.853, -77.389). Updated through the day.
Growing snapshot for Fair Lakes
Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
198 days
Hardiness zone
7b
More local growing data for Fair Lakes: nearby ZIP 22033 weather · frost dates · planting calendar · Virginia frost dates
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Climate data from the nearest NOAA station, Vienna, Va (5.3 mi from Fair Lakes). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.