Franconia, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franconia, a community in Fairfax County, Virginia.
Overnight
64°F
Partly Cloudy
Partly cloudy, with a low around 64. Northeast wind around 8 mph.
7-day forecast for Franconia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Partly Cloudy | 8 mph NE | 0% |
| Saturday | 79°F | Mostly Sunny | 5 to 8 mph NE | 5% |
| Saturday Night | 66°F | Mostly Cloudy | 6 mph SE | 14% |
| Sunday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 12 mph S | 32% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 3 to 9 mph W | 69% |
| Monday | 72°F | Chance Rain Showers | 9 mph NE | 37% |
| Monday Night | 60°F | Chance Rain Showers | 6 to 9 mph NE | 41% |
| Tuesday | 66°F | Rain Showers Likely | 9 to 14 mph NE | 57% |
| Tuesday Night | 56°F | Rain Showers Likely | 10 to 14 mph NE | 57% |
| Wednesday | 62°F | Chance Rain Showers | 15 mph NE | 49% |
| Wednesday Night | 56°F | Chance Rain Showers | 10 to 14 mph NE | 45% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 45% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 7 to 14 mph N | 39% |
| Friday | 68°F | Slight Chance Rain Showers | 10 mph N | 18% |
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
7b
More local growing data for Franconia: nearby ZIP 22315 weather · frost dates · planting calendar · Virginia frost dates
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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 Sep 19, 2026.