Franconia, VA Weather & Growing Conditions

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

This Afternoon

71°F

Sunny

Sunny, with a high near 71. South wind around 7 mph.

7-day forecast for Franconia

When	Temp	Forecast	Wind	Precip
This Afternoon	71°F	Sunny	7 mph S	2%
Tonight	52°F	Mostly Clear	5 mph S	2%
Wednesday	75°F	Patchy Fog then Mostly Sunny	1 to 8 mph S	4%
Wednesday Night	61°F	Mostly Cloudy then Slight Chance Light Rain	7 mph S	20%
Thursday	75°F	Chance Light Rain	6 to 9 mph S	45%
Thursday Night	61°F	Light Rain Likely	6 mph S	70%
Friday	72°F	Light Rain	6 mph S	76%
Friday Night	54°F	Light Rain Likely	6 mph N	67%
Saturday	69°F	Mostly Sunny	7 mph NW	11%
Saturday Night	48°F	Partly Cloudy	6 mph NW	11%
Sunday	64°F	Mostly Sunny	6 mph NW	8%
Sunday Night	46°F	Chance Light Rain	6 mph NW	25%
Monday	61°F	Chance Light Rain	7 to 14 mph NW	25%
Monday Night	43°F	Slight Chance Light Rain	9 mph NW	24%

Forecast source: National Weather Service (api.weather.gov) for Franconia (38.768, -77.158). Updated through the day.

Growing snapshot for Franconia

Last spring frost

Apr 3

First fall frost

Nov 8

Growing season

217 days

Hardiness zone

More local growing data for Franconia: nearby ZIP 22315 weather · frost dates · planting calendar · Virginia frost dates

Nearby towns & communities

Annandale Bailey's Crossroads Belle Haven Braddock Bull Run Burke Burke Centre Centreville Chantilly Clifton Crosspointe Difficult Run Dranesville Dunn Loring Fair Lakes Fair Oaks Fairfax Fairfax Station Floris Fort Belvoir Fort Hunt Franklin Farm George Mason Great Falls Great Falls Crossing Greenbriar Groveton Hayfield Herndon Huntington

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Climate data from the nearest NOAA station, Oxon Hill, Md (8.7 mi from Franconia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.