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Dumfries, VA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dumfries, a town in Prince William County, Virginia.

Tonight
69°F
Mostly Cloudy
Mostly cloudy, with a low around 69. Southeast wind around 8 mph.

7-day forecast for Dumfries

WhenTempForecastWindPrecip
Tonight 69°F Mostly Cloudy 8 mph SE 10%
Sunday 87°F Chance Rain Showers 7 to 12 mph S 25%
Sunday Night 65°F Chance Showers And Thunderstorms 2 to 7 mph W 44%
Monday 76°F Chance Rain Showers 7 to 10 mph NE 36%
Monday Night 63°F Chance Showers And Thunderstorms 9 mph NE 47%
Tuesday 71°F Showers And Thunderstorms Likely 7 to 13 mph NE 55%
Tuesday Night 59°F Showers And Thunderstorms Likely 12 mph NE 55%
Wednesday 67°F Chance Rain Showers 12 to 15 mph NE 48%
Wednesday Night 58°F Chance Rain Showers 9 to 15 mph NE 39%
Thursday 68°F Chance Rain Showers 13 mph NE 37%
Thursday Night 55°F Chance Rain Showers 7 to 12 mph N 26%
Friday 70°F Slight Chance Rain Showers 13 mph N 24%
Friday Night 54°F Slight Chance Rain Showers 6 to 10 mph N 18%
Saturday 72°F Slight Chance Rain Showers 12 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Dumfries (38.567, -77.322). Updated through the day.

Growing snapshot for Dumfries

Last spring frost
Mar 28
First fall frost
Nov 8
Growing season
226 days
Hardiness zone
7b

More local growing data for Dumfries: nearby ZIP 22026 weather · frost dates · planting calendar · Virginia frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Quantico Mcas, Va (4.2 mi from Dumfries). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.