Idylwood, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Idylwood, a community in Fairfax County, Virginia.
This Afternoon
84°F
Partly Sunny
Partly sunny, with a high near 84. North wind around 10 mph.
7-day forecast for Idylwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 63°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 | 44% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 5 to 9 mph NW | 63% |
| Monday | 74°F | Chance Rain Showers | 7 to 10 mph NE | 41% |
| Monday Night | 62°F | Rain Showers Likely | 8 to 12 mph NE | 56% |
| Tuesday | 66°F | Rain Showers Likely | 14 mph NE | 60% |
| Tuesday Night | 57°F | Rain Showers Likely | 14 mph NE | 60% |
| Wednesday | 62°F | Chance Rain Showers | 14 mph NE | 50% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 50% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 12 mph NE | 48% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Idylwood (38.889, -77.204). Updated through the day.
Growing snapshot for Idylwood
Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
198 days
Hardiness zone
7b
More local growing data for Idylwood: nearby ZIP 22043 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
Franconia
Franklin Farm
George Mason
Great Falls
Great Falls Crossing
Greenbriar
Groveton
Hayfield
Herndon
Climate data from the nearest NOAA station, Vienna, Va (5 mi from Idylwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.