Manassas, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manassas, a city in Manassas City County, Virginia.
Today
80°F
Partly Sunny
Partly sunny, with a high near 80. Northeast wind around 5 mph.
7-day forecast for Manassas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny | 5 mph NE | 7% |
| Tonight | 65°F | Mostly Cloudy | 6 mph SE | 10% |
| Sunday | 85°F | Mostly Cloudy then Chance Rain Showers | 6 to 12 mph S | 38% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 2 to 10 mph NW | 67% |
| Monday | 72°F | Chance Rain Showers | 7 to 10 mph N | 35% |
| Monday Night | 58°F | Chance Rain Showers | 7 mph NE | 47% |
| Tuesday | 66°F | Rain Showers Likely | 8 to 13 mph NE | 63% |
| Tuesday Night | 54°F | Rain Showers Likely | 8 to 12 mph NE | 63% |
| Wednesday | 61°F | Chance Rain Showers | 13 mph NE | 54% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 51% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 13 mph NE | 43% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 40% |
| Friday | 68°F | Slight Chance Rain Showers | 12 mph N | 20% |
| Friday Night | 52°F | Slight Chance Rain Showers | 5 to 9 mph N | 15% |
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.