Manassas, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manassas, a city in Manassas City County, Virginia.
Tonight
62°F
Mostly Cloudy
Mostly cloudy, with a low around 62. North wind around 9 mph.
7-day forecast for Manassas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy | 9 mph N | 10% |
| Saturday | 79°F | Partly Sunny | 7 mph NE | 10% |
| Saturday Night | 66°F | Mostly Cloudy | 7 mph SE | 10% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 13 mph S | 41% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 3 to 8 mph NW | 58% |
| Monday | 76°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph NE | 41% |
| Monday Night | 62°F | Rain Showers Likely | 5 to 8 mph NE | 60% |
| Tuesday | 67°F | Rain Showers Likely | 10 mph NE | 64% |
| Tuesday Night | 56°F | Rain Showers Likely | 10 mph NE | 64% |
| Wednesday | 62°F | Rain Showers Likely | 12 mph NE | 56% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 52% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 10 mph N | 51% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 34% |
| Friday | 69°F | Slight Chance Rain Showers | 7 to 10 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Manassas (38.747, -77.483). Updated through the day.
Growing snapshot for Manassas
Last spring frost
Apr 12
First fall frost
Oct 27
Growing season
197 days
Hardiness zone
7a
More local growing data for Manassas: nearby ZIP 20110 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manassas, Va (0.9 mi from Manassas). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.