Manassas, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manassas, a city in Manassas City County, Virginia.
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 6 mph.
7-day forecast for Manassas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 6 mph S | 2% |
| Wednesday | 75°F | Mostly Sunny | 3 to 10 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Chance Light Rain | 8 mph S | 43% |
| Thursday | 76°F | Chance Light Rain | 8 to 12 mph S | 34% |
| Thursday Night | 62°F | Chance Light Rain | 1 to 7 mph SW | 53% |
| Friday | 71°F | Rain Likely | 5 mph N | 67% |
| Friday Night | 51°F | Light Rain Likely | 2 to 6 mph NW | 67% |
| Saturday | 66°F | Mostly Sunny | 7 to 10 mph NW | 12% |
| Saturday Night | 43°F | Mostly Clear | 7 mph NW | 12% |
| Sunday | 62°F | Mostly Sunny | 7 mph NW | 5% |
| Sunday Night | 41°F | Partly Cloudy then Slight Chance Light Rain | 6 mph NW | 18% |
| Monday | 62°F | Slight Chance Light Rain | 6 to 13 mph NW | 22% |
| Monday Night | 39°F | Slight Chance Light Rain | 3 to 8 mph W | 22% |
| Tuesday | 65°F | Sunny | 6 to 10 mph W | 10% |
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 Nov 4, 2026.