Cascades, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cascades, a community in Loudoun County, Virginia.
Overnight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. Northeast wind around 7 mph.
7-day forecast for Cascades
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Partly Cloudy | 7 mph NE | 0% |
| Saturday | 79°F | Partly Sunny | 3 to 7 mph E | 8% |
| Saturday Night | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph SE | 16% |
| Sunday | 84°F | Chance Rain Showers | 8 to 12 mph S | 42% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 3 to 10 mph NW | 70% |
| Monday | 71°F | Chance Rain Showers | 7 to 10 mph N | 38% |
| Monday Night | 56°F | Chance Rain Showers | 8 mph NE | 46% |
| Tuesday | 64°F | Rain Showers Likely | 12 mph NE | 64% |
| Tuesday Night | 53°F | Rain Showers Likely | 13 mph NE | 64% |
| Wednesday | 60°F | Chance Rain Showers | 13 mph NE | 52% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 12 mph NE | 46% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 12 mph NE | 45% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 6 to 9 mph N | 39% |
| Friday | 68°F | Slight Chance Rain Showers | 10 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov) for Cascades (39.048, -77.387). Updated through the day.
Growing snapshot for Cascades
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
7b
More local growing data for Cascades: nearby ZIP 20165 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Aldie
Arcola
Ashburn
Belmont
Brambleton
Broadlands
Countryside
Dulles Town Center
Goose Creek Village
Hamilton
Hillsboro
Kincora
Lansdowne
Leesburg
Loudoun Valley Estates
Lovettsville
Lowes Island
Middleburg
Moorefield
Oak Grove
One Loudoun
Purcellville
Round Hill
South Riding
Sterling
Stone Ridge
Sugarland Run
University Center
Upperville
Waterford
Climate data from the nearest NOAA station, Wfo Sterling, Va (7.6 mi from Cascades). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.