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Navy, VA Weather & Growing Conditions

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

This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. North wind around 10 mph.

7-day forecast for Navy

WhenTempForecastWindPrecip
This Afternoon 84°F Mostly 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 66°F Mostly Cloudy 8 mph SE 10%
Sunday 83°F Partly Sunny then Chance Showers And Thunderstorms 6 to 13 mph S 46%
Sunday Night 65°F Showers And Thunderstorms Likely 5 to 9 mph NW 62%
Monday 74°F Chance Rain Showers 7 to 12 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 56°F Rain Showers Likely 12 mph NE 62%
Wednesday 62°F Rain Showers Likely 12 mph NE 55%
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 5 to 8 mph N 35%

Forecast source: National Weather Service (api.weather.gov) for Navy (38.889, -77.391). Updated through the day.

Growing snapshot for Navy

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

More local growing data for Navy: 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 Navy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.