Warrenton, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrenton, a town in Fauquier County, Virginia.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 5 mph.
7-day forecast for Warrenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 5 mph S | 1% |
| Wednesday | 74°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Wednesday Night | 61°F | Mostly Cloudy then Chance Rain Showers | 5 to 9 mph S | 47% |
| Thursday | 74°F | Chance Rain Showers then Partly Sunny | 8 to 12 mph S | 36% |
| Thursday Night | 60°F | Chance Rain Showers | 2 to 6 mph W | 49% |
| Friday | 69°F | Chance Light Rain | 3 mph N | 45% |
| Friday Night | 50°F | Slight Chance Light Rain then Partly Cloudy | 1 to 7 mph NW | 24% |
| Saturday | 63°F | Mostly Sunny | 6 to 12 mph NW | 7% |
| Saturday Night | 42°F | Mostly Clear | 6 to 9 mph NW | 6% |
| Sunday | 61°F | Sunny | 5 to 8 mph NW | 1% |
| Sunday Night | 40°F | Mostly Clear | 5 mph NW | 5% |
| Monday | 62°F | Sunny | 5 to 12 mph NW | 5% |
| Monday Night | 38°F | Mostly Clear | 3 mph W | 5% |
| Tuesday | 65°F | Sunny | 2 to 6 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Warrenton (38.718, -77.797). Updated through the day.
Growing snapshot for Warrenton
Last spring frost
Apr 9
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7a
More local growing data for Warrenton: nearby ZIP 20186 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Warrenton 3 Se, Va (3.9 mi from Warrenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.