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Fair Oaks, VA Weather & Growing Conditions

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

Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 5 mph.

7-day forecast for Fair Oaks

WhenTempForecastWindPrecip
Today 79°F Partly Sunny 5 mph E 8%
Tonight 65°F Mostly Cloudy 7 mph SE 12%
Sunday 84°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 7 to 12 mph S 40%
Sunday Night 63°F Showers And Thunderstorms Likely 3 to 12 mph NW 69%
Monday 71°F Chance Rain Showers 7 to 12 mph N 35%
Monday Night 58°F Chance Rain Showers 5 to 9 mph NE 46%
Tuesday 65°F Rain Showers Likely 13 mph NE 62%
Tuesday Night 54°F Rain Showers Likely 13 mph NE 62%
Wednesday 61°F Chance Rain Showers 13 mph NE 52%
Wednesday Night 54°F Chance Showers And Thunderstorms 12 mph NE 48%
Thursday 63°F Chance Showers And Thunderstorms 13 mph NE 45%
Thursday Night 53°F Chance Showers And Thunderstorms 7 to 10 mph N 39%
Friday 67°F Slight Chance Rain Showers 10 mph N 20%
Friday Night 52°F Slight Chance Rain Showers 6 to 10 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Fair Oaks (38.865, -77.357). Updated through the day.

Growing snapshot for Fair Oaks

Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
198 days
Hardiness zone
7b

More local growing data for Fair Oaks: nearby ZIP 22035 weather · frost dates · planting calendar · Virginia frost dates

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Climate data from the nearest NOAA station, Vienna, Va (4.7 mi from Fair Oaks). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.