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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.

Today
81°F
Partly Sunny
Partly sunny, with a high near 81. Northeast wind around 7 mph.

7-day forecast for Dumfries

WhenTempForecastWindPrecip
Today 81°F Partly Sunny 7 mph NE 4%
Tonight 67°F Mostly Cloudy 6 mph SE 12%
Sunday 86°F Mostly Cloudy then Chance Rain Showers 3 to 10 mph S 30%
Sunday Night 65°F Showers And Thunderstorms Likely 2 to 8 mph W 65%
Monday 74°F Chance Rain Showers 9 mph NE 43%
Monday Night 60°F Chance Rain Showers 7 mph NE 42%
Tuesday 68°F Rain Showers Likely 8 to 14 mph NE 57%
Tuesday Night 56°F Rain Showers Likely 9 to 14 mph NE 57%
Wednesday 64°F Chance Rain Showers 12 to 15 mph NE 51%
Wednesday Night 56°F Chance Rain Showers 9 to 15 mph NE 50%
Thursday 65°F Chance Showers And Thunderstorms 10 to 14 mph N 42%
Thursday Night 54°F Chance Showers And Thunderstorms 6 to 13 mph N 38%
Friday 70°F Slight Chance Rain Showers 10 mph N 20%
Friday Night 54°F Mostly Cloudy 5 to 9 mph N 14%

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 19, 2026.