Colonial Beach, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colonial Beach, a town in King George County, Virginia.
Tonight
69°F
Mostly Cloudy
Mostly cloudy, with a low around 69. Northeast wind around 8 mph.
7-day forecast for Colonial Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Cloudy | 8 mph NE | 6% |
| Saturday | 78°F | Partly Sunny | 6 to 9 mph NE | 4% |
| Saturday Night | 70°F | Mostly Cloudy | 8 mph SE | 4% |
| Sunday | 83°F | Mostly Sunny | 6 to 9 mph S | 11% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 43% |
| Monday | 77°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 45% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 12 mph NE | 53% |
| Tuesday | 69°F | Showers And Thunderstorms Likely | 12 to 17 mph NE | 61% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 17 mph NE | 61% |
| Wednesday | 66°F | Chance Rain Showers | 17 mph NE | 50% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 13 to 17 mph NE | 50% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 15 mph NE | 42% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms | 8 to 14 mph N | 36% |
| Friday | 70°F | Slight Chance Rain Showers | 12 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov) for Colonial Beach (38.264, -76.994). Updated through the day.
Growing snapshot for Colonial Beach
Last spring frost
Mar 28
First fall frost
Nov 8
Growing season
226 days
Hardiness zone
7b
More local growing data for Colonial Beach: nearby ZIP 22448 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Quantico Mcas, Va (18.5 mi from Colonial Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.